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 (12.2×19.1-(25.2-13-0.5)×10)×3.12+2×8.4×1.77+(25.2-13-0.5)×10 的值.
题型:数学计算
解:
(12.2×19.1-(25.2-13-0.5)×10)×3.12+2×8.4×1.77+(25.2-13-0.5)×10
=(12.2×19.1-11.7×10)×3.12+2×8.4×1.77+(25.2-13-0.5)×10
=116.02×3.12+2×8.4×1.77+(25.2-13-0.5)×10
=116.02×3.12+2×8.4×1.77+11.7×10
=361.9824+2×8.4×1.77+11.7×10
=361.9824+16.8×1.77+11.7×10
=361.9824+29.736+11.7×10
=361.9824+29.736+117
=391.7184+117
=508.7184 答案:(12.2×19.1-(25.2-13-0.5)×10)×3.12+2×8.4×1.77+(25.2-13-0.5)×10=508.7184你的问题在这里没有得到解决?请到 热门难题 里面看看吧!