总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 (14.2×19.1-(25.2-11-0.5)×10)×3.12+2×8.4×1.77+(25.2-11-0.5)×10 的值.
题型:数学计算
解:
(14.2×19.1-(25.2-11-0.5)×10)×3.12+2×8.4×1.77+(25.2-11-0.5)×10
=(14.2×19.1-13.7×10)×3.12+2×8.4×1.77+(25.2-11-0.5)×10
=134.22×3.12+2×8.4×1.77+(25.2-11-0.5)×10
=134.22×3.12+2×8.4×1.77+13.7×10
=418.7664+2×8.4×1.77+13.7×10
=418.7664+16.8×1.77+13.7×10
=418.7664+29.736+13.7×10
=418.7664+29.736+137
=448.5024+137
=585.5024 答案:(14.2×19.1-(25.2-11-0.5)×10)×3.12+2×8.4×1.77+(25.2-11-0.5)×10=585.5024你的问题在这里没有得到解决?请到 热门难题 里面看看吧!