Tính : a) 7,14m2 + 7,14m2 + 7,14m2 3 b) 11,125 – 2,076 * 3 : 2
Giải thích
a) 7,14m2 + 7,14m2 + 7,14m2 × 3 = 7,14m2 × 5 = 35,7m2b) 11,125 – 2,076 × 3 : 2 = 11,125 - 6,228 : 2 = 11,125 - 3,114 = 8,011
a) 7,14m2 + 7,14m2 + 7,14m2 × 3 = 7,14m2 × 5 = 35,7m2b) 11,125 – 2,076 × 3 : 2 = 11,125 - 6,228 : 2 = 11,125 - 3,114 = 8,011