发布网友 发布时间:2023-07-07 17:23
共4个回答
热心网友 时间:2023-07-12 09:54
(1)102*0.35=(100+2)*0.35=100*0.35+2*0.35=35+0.7=35.7 (2)5.6*12.5=(0.7*8)*12.5=20*0.7=14 计得好辛苦希望采纳热心网友 时间:2023-07-12 09:55
(100+2)×0.35=100×0.35+2×0.35=35+0.7=35.75.6*12.5=0.7×8×12.5=0.7×(8×12.5)=0.7×100=70热心网友 时间:2023-07-12 09:55
(100+2)*0.35=100*0.35+2*0.35=35.7!*是乘号!热心网友 时间:2023-07-12 09:56
102*0.35 =2*0.35*51=0.7*51=35.7