Question

Nhân, chia hai số hữu tỉ  − 5 7 ⋅ 49 3 : − 7 6

Answer 1

− 5 7 ⋅ 49 3 : − 7 6 = − 5 7 ⋅ 49 3 ⋅ − 6 7 = 10