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 (0.0159+0.2×0.0255)×6.42×3.2×3.4+(0.0364+0.2×0.0423)×1.88×3.4×3.2 的值.
题型:数学计算
解:
(0.0159+0.2×0.0255)×6.42×3.2×3.4+(0.0364+0.2×0.0423)×1.88×3.4×3.2
=0.021×6.42×3.2×3.4+(0.0364+0.2×0.0423)×1.88×3.4×3.2
=0.021×6.42×3.2×3.4+0.04486×1.88×3.4×3.2
=0.13482×3.2×3.4+0.04486×1.88×3.4×3.2
=0.431424×3.4+0.04486×1.88×3.4×3.2
=1.466842+0.04486×1.88×3.4×3.2
=1.466842+0.084337×3.4×3.2
=1.466842+0.286746×3.2
=1.466842+0.917587
=2.384429 答案:(0.0159+0.2×0.0255)×6.42×3.2×3.4+(0.0364+0.2×0.0423)×1.88×3.4×3.2=2.384429你的问题在这里没有得到解决?请到 热门难题 里面看看吧!