Question

Nhân, chia hai số hữu tỉ  − 9 ⋅ 2 3 ⋅ 5 4 : − 7

Answer 1

− 9 ⋅ 2 3 ⋅ 5 4 : − 7 = − 9. 5 6 . − 1 7 = 15 14