0.41*1.25*8*2.5脱式计算

2024-12-17 01:38:15
推荐回答(1个)
回答1:

原式=0.41×(1.25×8)×2.5
=0.41×10×2.5
=4.1×2.5
=(4+0.1)×2.5
=4×2.5+0.1×2.5
=10+0.25
=10.25