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 1/2×3.299×((1.49×25)+(1.56×40)+(6.22×22)+(10.93×60))+0.75×0.8×0.785×(330+1.5×8×(20.2-3)) 的值.
题型:数学计算
解:
1/2×3.299×((1.49×25)+(1.56×40)+(6.22×22)+(10.93×60))+0.75×0.8×0.785×(330+1.5×8×(20.2-3))
=1/2×3.299×(37.25+(1.56×40)+(6.22×22)+(10.93×60))+0.75×0.8×0.785×(330+1.5×8×(20.2-3))
=1/2×3.299×(37.25+62.4+(6.22×22)+(10.93×60))+0.75×0.8×0.785×(330+1.5×8×(20.2-3))
=1/2×3.299×(37.25+62.4+136.84+(10.93×60))+0.75×0.8×0.785×(330+1.5×8×(20.2-3))
=1/2×3.299×(37.25+62.4+136.84+655.8)+0.75×0.8×0.785×(330+1.5×8×(20.2-3))
=1/2×3.299×892.29+0.75×0.8×0.785×(330+1.5×8×(20.2-3))
=1/2×3.299×892.29+0.75×0.8×0.785×(330+1.5×8×17.2)
=1/2×3.299×892.29+0.75×0.8×0.785×536.4
=0.5×3.299×892.29+0.75×0.8×0.785×536.4
=1.6495×892.29+0.75×0.8×0.785×536.4
=1471.832355+0.75×0.8×0.785×536.4
=1471.832355+0.6×0.785×536.4
=1471.832355+0.471×536.4
=1471.832355+252.6444
=1724.476755 答案:1/2×3.299×((1.49×25)+(1.56×40)+(6.22×22)+(10.93×60))+0.75×0.8×0.785×(330+1.5×8×(20.2-3))=1724.476755你的问题在这里没有得到解决?请到 热门难题 里面看看吧!