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 254.89×5.4-1/2×(-33.31)×0.33×5.42-1/6×22×0.33×5.43 的值.
题型:数学计算
解:
254.89×5.4-1/2×(-33.31)×0.33×5.42-1/6×22×0.33×5.43
=254.89×5.4-1/2×(-33.31)×0.33×5.42-1/6×22×0.33×5.43
=1376.406-1/2×(-33.31)×0.33×5.42-1/6×22×0.33×5.43
=1376.406-0.5×(-33.31)×0.33×5.42-1/6×22×0.33×5.43
=1376.406-(-16.655)×0.33×5.42-1/6×22×0.33×5.43
=1376.406-(-5.49615)×5.42-1/6×22×0.33×5.43
=1376.406-(-29.789133)-1/6×22×0.33×5.43
=1376.406--29.789133-0.166667×22×0.33×5.43
=1376.406--29.789133-3.666674×0.33×5.43
=1376.406--29.789133-1.210002×5.43
=1376.406--29.789133-6.570311
=1406.195133-6.570311
=1399.624822 答案:254.89×5.4-1/2×(-33.31)×0.33×5.42-1/6×22×0.33×5.43=1399.624822你的问题在这里没有得到解决?请到 热门难题 里面看看吧!