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 (1.4×1.6×0.5+2.22×2.8×0.5+3.04×4×0.5)×2+(1.4×4.3×0.5+2.22×5.4×0.5+3.04×6.5×0.5)×1 的值.
题型:数学计算
解:
(1.4×1.6×0.5+2.22×2.8×0.5+3.04×4×0.5)×2+(1.4×4.3×0.5+2.22×5.4×0.5+3.04×6.5×0.5)×1
=10.308×2+(1.4×4.3×0.5+2.22×5.4×0.5+3.04×6.5×0.5)×1
=10.308×2+18.884×1
=20.616+18.884×1
=20.616+18.884
=39.5 答案:(1.4×1.6×0.5+2.22×2.8×0.5+3.04×4×0.5)×2+(1.4×4.3×0.5+2.22×5.4×0.5+3.04×6.5×0.5)×1=39.5你的问题在这里没有得到解决?请到 热门难题 里面看看吧!