Hoàn thành bảng sau: a b c a × b c × a (a × b) × c b × (c × a)
Giải thích
a | b | c | a × b | c × a | (a × b) × c | b × (c × a) |
6 | 7 | 5 | 42 | 30 | 210 | 210 |
3 | 4 | 9 | 12 | 27 | 108 | 108 |
10 | 8 | 4 | 80 | 40 | 320 | 320 |
7 | 8 | 10 | 56 | 70 | 560 | 560 |
12 | 9 | 7 | 108 | 84 | 756 | 756 |
10 | 11 | 19 | 110 | 190 | 2 090 | 2 090 |
a | b | c | a × b | c × a | (a × b) × c | b × (c × a) |
6 | 7 | 5 | 42 | 30 | 210 | 210 |
3 | 4 | 9 | 12 | 27 | 108 | 108 |
10 | 8 | 4 | 80 | 40 | 320 | 320 |
7 | 8 | 10 | 56 | 70 | 560 | 560 |
12 | 9 | 7 | 108 | 84 | 756 | 756 |
10 | 11 | 19 | 110 | 190 | 2 090 | 2 090 |