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 (20+19.0×1.5+18.2×2.0+17.6×6.0-(9.5-0.85)×10)×0.38-2×7.3×0.61+(9.5-0.85)×10 的值.
题型:数学计算
解:
(20+19.0×1.5+18.2×2.0+17.6×6.0-(9.5-0.85)×10)×0.38-2×7.3×0.61+(9.5-0.85)×10
=(20+19.0×1.5+18.2×2.0+17.6×6.0-8.65×10)×0.38-2×7.3×0.61+(9.5-0.85)×10
=104×0.38-2×7.3×0.61+(9.5-0.85)×10
=104×0.38-2×7.3×0.61+8.65×10
=39.52-2×7.3×0.61+8.65×10
=39.52-14.6×0.61+8.65×10
=39.52-8.906+8.65×10
=39.52-8.906+86.5
=30.614+86.5
=117.114 答案:(20+19.0×1.5+18.2×2.0+17.6×6.0-(9.5-0.85)×10)×0.38-2×7.3×0.61+(9.5-0.85)×10=117.114你的问题在这里没有得到解决?请到 热门难题 里面看看吧!