
44 câu hỏi

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\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{55}\end{array}} \\\,\,\,\,17\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{46}\\{18}\end{array}} \\\,\,\,\,28\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{52}\\{46}\end{array}} \\\,\,\,\,\,\,\,6\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{81}\\{26}\end{array}} \\\,\,\,\,55\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{53}\\{19}\end{array}} \\\,\,\,\,34\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{32}\\{18}\end{array}} \\\,\,\,\,14\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{44}\\{26}\end{array}} \\\,\,\,\,18\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{23}\end{array}} \\\,\,\,\,37\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{42}\\{17}\end{array}} \\\,\,\,\,25\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{96}\\{79}\end{array}} \\\,\,\,\,17\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{33}\end{array}} \\\,\,\,\,39\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{45}\\{26}\end{array}} \\\,\,\,\,19\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{50}\\{14}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{30}\\{12}\end{array}} \\\,\,\,\,18\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{53}\\{26}\end{array}} \\\,\,\,\,27\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{87}\\{78}\end{array}} \\\,\,\,\,\,\,\,9\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{23}\end{array}} \\\,\,\,\,37\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{87}\\{28}\end{array}} \\\,\,\,\,59\end{array}\) | \[\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{65}\\{28}\end{array}} \\\,\,\,\,37\end{array}\] | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{76}\\{18}\end{array}} \\\,\,\,\,58\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{83}\\{37}\end{array}} \\\,\,\,\,46\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{23}\\{16}\end{array}} \\\,\,\,\,\,\,\,7\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{95}\\{59}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{33}\\{18}\end{array}} \\\,\,\,\,15\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{91}\\{73}\end{array}} \\\,\,\,\,18\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{80}\\{65}\end{array}} \\\,\,\,\,15\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{84}\\{27}\end{array}} \\\,\,\,\,57\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{38}\\{19}\end{array}} \\\,\,\,\,19\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{95}\\{59}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{67}\\{29}\end{array}} \\\,\,\,\,38\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{71}\\{22}\end{array}} \\\,\,\,\,49\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{23}\end{array}} \\\,\,\,\,37\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{27}\end{array}} \\\,\,\,\,35\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{80}\\{59}\end{array}} \\\,\,\,\,21\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{44}\\{15}\end{array}} \\\,\,\,\,29\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{33}\\{16}\end{array}} \\\,\,\,\,17\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{70}\\{55}\end{array}} \\\,\,\,\,15\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{64}\\{49}\end{array}} \\\,\,\,\,15\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{53}\\{26}\end{array}} \\\,\,\,\,27\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{30}\\{12}\end{array}} \\\,\,\,\,18\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{24}\\{15}\end{array}} \\\,\,\,\,\,\,\,9\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{54}\\{29}\end{array}} \\\,\,\,\,25\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{71}\\{25}\end{array}} \\\,\,\,\,46\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{55}\end{array}} \\\,\,\,\,17\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{27}\end{array}} \\\,\,\,\,35\end{array}\) | \[\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{83}\\{35}\end{array}} \\\,\,\,\,48\end{array}\] | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{23}\end{array}} \\\,\,\,\,37\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{46}\end{array}} \\\,\,\,\,26\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{95}\\{59}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{54}\end{array}} \\\,\,\,\,\,\,\,8\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{80}\\{72}\end{array}} \\\,\,\,\,\,\,\,8\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{84}\\{48}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{91}\\{36}\end{array}} \\\,\,\,\,55\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{27}\end{array}} \\\,\,\,\,35\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{24}\end{array}} \\\,\,\,\,38\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{81}\\{12}\end{array}} \\\,\,\,\,69\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{78}\\{39}\end{array}} \\\,\,\,\,39\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{81}\\{12}\end{array}} \\\,\,\,69\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{38}\end{array}} \\\,\,\,\,24\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{73}\\{46}\end{array}} \\\,\,\,\,27\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{41}\\{28}\end{array}} \\\,\,\,\,13\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{30}\\{23}\end{array}} \\\,\,\,\,\,\,\,7\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{81}\\{54}\end{array}} \\\,\,\,\,27\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{93}\\{45}\end{array}} \\\,\,\,\,48\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{50}\\{45}\end{array}} \\\,\,\,\,\,\,\,5\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{32}\\{18}\end{array}} \\\,\,\,\,14\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{47}\\{28}\end{array}} \\\,\,\,\,19\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{41}\end{array}} \\\,\,\,\,19\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{40}\\{28}\end{array}} \\\,\,\,\,12\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{33}\end{array}} \\\,\,\,\,39\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{63}\\{28}\end{array}} \\\,\,\,\,35\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{55}\\{16}\end{array}} \\\,\,\,\,39\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{43}\end{array}} \\\,\,\,\,17\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{72}\\{15}\end{array}} \\\,\,\,\,57\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{71}\\{12}\end{array}} \\\,\,\,\,59\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{81}\\{56}\end{array}} \\\,\,\,\,25\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{23}\end{array}} \\\,\,\,\,37\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{24}\end{array}} \\\,\,\,\,38\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{73}\\{27}\end{array}} \\\,\,\,\,46\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{97}\\{58}\end{array}} \\\,\,\,\,39\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{53}\\{37}\end{array}} \\\,\,\,\,16\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{70}\\{19}\end{array}} \\\,\,\,\,51\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{63}\\{36}\end{array}} \\\,\,\,\,27\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{71}\\{22}\end{array}} \\\,\,\,\,49\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{93}\\{54}\end{array}} \\\,\,\,\,39\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{51}\\{32}\end{array}} \\\,\,\,\,19\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{39}\end{array}} \\\,\,\,\,23\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{61}\\{33}\end{array}} \\\,\,\,\,28\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{33}\\{14}\end{array}} \\\,\,\,\,19\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{41}\\{28}\end{array}} \\\,\,\,\,13\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{80}\\{72}\end{array}} \\\,\,\,\,\,\,\,8\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{61}\\{33}\end{array}} \\\,\,\,\,28\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{38}\\{19}\end{array}} \\\,\,\,\,19\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{84}\\{48}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{65}\\{28}\end{array}} \\\,\,\,\,37\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{61}\\{19}\end{array}} \\\,\,\,\,42\end{array}\) |

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{60}\\{23}\end{array}} \\\,\,\,\,37\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{50}\\{18}\end{array}} \\\,\,\,\,32\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{63}\\{37}\end{array}} \\\,\,\,\,26\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{75}\\{48}\end{array}} \\\,\,\,\,27\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{43}\\{34}\end{array}} \\\,\,\,\,\,\,\,9\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{84}\\{48}\end{array}} \\\,\,\,\,36\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{80}\\{72}\end{array}} \\\,\,\,\,\,\,\,8\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{77}\\{59}\end{array}} \\\,\,\,\,18\end{array}\) |
84 – 26 = ... | 61 – 24 = ... | 71 – 57 = ... | 75 – 46 = ... |
27 – 9 = ... | 62 – 13 = ... | 54 – 28 = ... | 72 – 35 = ... |
61 – 36 = ... | 82 – 37 = ... | 53 – 24 = ... | 31 – 8 = ... |
86 – 69 = ... | 51 – 27 = ... | 95 – 56 = ... | 23 – 6 = ... |
55 – 29 = ... | 82 – 28 = ... | 93 – 34 = ... | 74 – 49 = ... |
84 – 26 = 58 | 61 – 24 = 37 | 71 – 57 = 14 | 75 – 46 = 29 |
27 – 9 = 18 | 62 – 13 = 49 | 54 – 28 = 26 | 72 – 35 = 37 |
61 – 36 = 25 | 82 – 37 = 45 | 53 – 24 = 29 | 31 – 8 = 23 |
86 – 69 = 17 | 51 – 27 = 24 | 95 – 56 = 39 | 23 – 6 = 17 |
55 – 29 =26 | 82 – 28 = 54 | 93 – 34 = 59 | 74 – 49 = 25 |
71 – 23 = ... | 74 – 27 = ... | 76 – 38 = ... | 96 – 87 = ... |
84 – 17 = ... | 57 – 19 = ... | 65 – 39 = ... | 84 – 47 = ... |
63 – 48 = ... | 71 – 25 = ... | 91 – 25 = ... | 45 – 16 = ... |
74 – 47 = ... | 86 – 68 = ... | 56 – 28 = ... | 83 – 27 = ... |
70 – 18 = ... | 81 – 5 = ... | 93 – 17 = ... | 91 – 44 = ... |
71 – 23 = 48 | 74 – 27 = 47 | 76 – 38 = 38 | 96 – 87 = 9 |
84 – 17 = 67 | 57 – 19 = 38 | 65 – 39 = 26 | 84 – 47 = 37 |
63 – 48 = 15 | 71 – 25 = 46 | 91 – 25 = 66 | 45 – 16 = 29 |
74 – 47 = 27 | 86 – 68 = 18 | 56 – 28 = 28 | 83 – 27 = 56 |
70 – 18 = 52 | 81 – 5 = 76 | 93 – 17 = 76 | 91 – 44 = 47 |
52 – 18 = ... | 74 – 68 = ... | 87 – 58 = ... | 32 – 13 = ... |
85 – 77 = ... | 64 – 37 = ... | 40 – 26 = ... | 76 – 39 = ... |
72 – 55 = ... | 22 – 14 = ... | 44 – 27 = ... | 77 – 29 = ... |
42 – 9 = ... | 33 – 15 = ... | 44 – 17 = ... | 92 – 58 = ... |
56 – 49 = ... | 71 – 22 = ... | 53 – 8 = ... | 84 – 79 = ... |
52 – 18 = 34 | 74 – 68 = 6 | 87 – 58 = 29 | 32 – 13 = 19 |
85 – 77 = 8 | 64 – 37 = 27 | 40 – 26 = 14 | 76 – 39 = 37 |
72 – 55 = 17 | 22 – 14 = 8 | 44 – 27 =17 | 77 – 29 = 48 |
42 – 9 = 33 | 33 – 15 = 18 | 44 – 17 = 27 | 92 – 58 = 34 |
56 – 49 = 7 | 71 – 22 = 49 | 53 – 8 = 45 | 84 – 79 = 5 |
63 – 18 = ... | 43 – 25 = ... | 35 – 27 = ... | 51 – 23 = ... |
44 – 26 = ... | 63 – 36 = ... | 55 – 38 = ... | 72 – 46 = ... |
65 – 29 = ... | 72 – 27 = ... | 82 – 55 = ... | 41 – 36 = ... |
82 – 57 = ... | 62 – 36 = ... | 72 – 25 = ... | 74 – 35 = ... |
73 – 69 = ... | 57 – 38 = ... | 81 – 59 = ... | 68 – 49 = ... |
63 – 18 = 45 | 43 – 25 = 18 | 35 – 27 = 8 | 51 – 23 = 28 |
44 – 26 = 18 | 63 – 36 = 27 | 55 – 38 = 17 | 72 – 46 = 26 |
65 – 29 = 36 | 72 – 27 = 45 | 82 – 55 = 27 | 41 – 36 = 5 |
82 – 57 = 25 | 62 – 36 = 26 | 72 – 25 = 47 | 74 – 35 = 39 |
73 – 69 = 4 | 57 – 38 = 19 | 81 – 59 = 22 | 68 – 49 = 19 |
74 – 59 = ... | 94 – 67 = ... | 64 – 45 = ... | 96 – 29 = ... |
61 – 28 = ... | 92 – 74 = ... | 81 – 3 = ... | 72 – 53 = ... |
81 – 64 = ... | 55 – 48 = ... | 31 – 15 = ... | 26 – 17 = ... |
83 – 29 = ... | 52 – 39 = ... | 72 – 58 = ... | 81 – 59 = ... |
33 – 25 = ... | 87 – 58 = ... | 92 – 74 = ... | 58 – 39 = ... |
74 – 59 = 15 | 94 – 67 = 27 | 64 – 45 = 19 | 96 – 29 = 67 |
61 – 28 = 33 | 92 – 74 = 18 | 81 – 3 = 78 | 72 – 53 = 19 |
81 – 64 = 17 | 55 – 48 = 7 | 31 – 15 = 16 | 26 – 17 = 9 |
83 – 29 = 54 | 52 – 39 = 13 | 72 – 58 = 14 | 81 – 59 = 22 |
33 – 25 = 8 | 87 – 58 = 29 | 92 – 74 = 18 | 58 – 39 = 19 |
84 – 56 = ... | 72 – 26 = ... | 55 – 7 = ... | 75 – 28 = ... |
83 – 49 = ... | 68 – 39 = ... | 41 – 12 = ... | 86 – 69 = ... |
52 – 28 = ... | 93 – 77 = ... | 42 – 18 = ... | 53 – 34 = ... |
61 – 38 = ... | 32 – 27 = ... | 81 – 6 = ... | 84 – 48 = ... |
81 – 25 = ... | 67 – 38 = ... | 84 – 45 = ... | 72 – 39 = ... |
84 – 56 = 28 | 72 – 26 = 46 | 55 – 7 = 48 | 75 – 28 = 47 |
83 – 49 = 34 | 68 – 39 = 29 | 41 – 12 = 29 | 86 – 69 = 17 |
52 – 28 = 24 | 93 – 77 = 16 | 42 – 18 = 24 | 53 – 34 = 19 |
61 – 38 = 23 | 32 – 27 = 5 | 81 – 6 = 75 | 84 – 48 = 36 |
81 – 25 = 56 | 67 – 38 = 29 | 84 – 45 = 39 | 72 – 39 = 33 |
51 – 27 = ... | 62 – 46 = ... | 63 – 38 = ... | 92 – 64 = ... |
76 – 58 = ... | 93 – 25 = ... | 83 – 19 = ... | 41 – 16 = ... |
73 – 46 = ... | 76 – 57 = ... | 41 – 13 = ... | 55 – 39 = ... |
54 – 46 = ... | 92 – 83 = ... | 81 – 54 = ... | 93 – 87 = ... |
71 – 29 = ... | 92 – 59 = ... | 75 – 28 = ... | 34 – 29 = ... |
51 – 27 = 24 | 62 – 46 = 16 | 63 – 38 = 25 | 92 – 64 = 28 |
76 – 58 = 18 | 93 – 25 = 68 | 83 – 19 = 64 | 41 – 16 = 25 |
73 – 46 = 27 | 76 – 57 = 19 | 41 – 13 = 28 | 55 – 39 = 16 |
54 – 46 = 8 | 92 – 83 = 9 | 81 – 54 = 27 | 93 – 87 = 6 |
71 – 29 = 42 | 92 – 59 = 33 | 75 – 28 = 47 | 34 – 29 = 5 |
37 – 19 = ... | 74 – 25 = ... | 48 – 9 = ... | 56 –8 = ... |
63 – 34 = ... | 93 – 85 = ... | 50 – 12 = ... | 71 – 38 = ... |
75 – 57 = ... | 81 – 42 = ... | 72 – 28 = ... | 34 – 12 = ... |
96 – 27 = ... | 77 – 48 = ... | 88 – 15 = ... | 97 – 58 = ... |
72 – 33 = ... | 74 – 49 = ... | 93 – 45 = ... | 93 – 15 = ... |
37 – 19 = 18 | 74 – 25 = 49 | 48 – 9 = 39 | 56 – 8 = 48 |
63 – 34 = 29 | 93 – 85 = 8 | 50 – 12 = 38 | 71 – 38 = 33 |
75 – 57 = 18 | 81 – 42 = 39 | 72 – 28 = 44 | 34 – 12 = 22 |
96 – 27 = 69 | 77 – 48 = 29 | 88 – 15 = 73 | 97 – 58 = 39 |
72 – 33 = 39 | 74 – 49 = 25 | 93 – 45 = 48 | 93 – 15 = 78 |
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