(6.4x12.5x0.4)÷(1.6x2.5X0.2)简便计算

2024-12-01 00:45:52
推荐回答(1个)
回答(1):

=(6.4÷1.6)×(12.5÷2.5)×(0.4÷0.2)
=4×5×2
=40