0.125÷(3.6÷80)×0.18 用简便算法(请写明步骤,如:1-1+2=0+2=2这样的)拜托

2024-11-09 02:51:41
推荐回答(2个)
回答1:

0.125÷(3.6÷80)×0.18
=(0.125×0.18×80)÷3.6
=(8×0.125×1.8)÷3.6
=(1×1.8)÷3.6
=1/2
=0.5

回答2:

原式=(0.125*80*0.18)÷3.6
=(10*0.18)÷3.6
=1.8÷3.6
=1/2
=0.5