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 18.69×(1.78/3+15.1+2.9)+2077.84×(15.1/3×(2×35.68+239.53)/(35.68+239.53)+2.9)+282.18×(2.29/3×(2×115.01+131.44)/(115.01+131.44)) 的值.
题型:数学计算
解:
18.69×(1.78/3+15.1+2.9)+2077.84×(15.1/3×(2×35.68+239.53)/(35.68+239.53)+2.9)+282.18×(2.29/3×(2×115.01+131.44)/(115.01+131.44))
=18.69×18.593333+2077.84×(15.1/3×(2×35.68+239.53)/(35.68+239.53)+2.9)+282.18×(2.29/3×(2×115.01+131.44)/(115.01+131.44))
=18.69×18.593333+2077.84×(15.1/3×310.89/(35.68+239.53)+2.9)+282.18×(2.29/3×(2×115.01+131.44)/(115.01+131.44))
=18.69×18.593333+2077.84×(15.1/3×310.89/275.21+2.9)+282.18×(2.29/3×(2×115.01+131.44)/(115.01+131.44))
=18.69×18.593333+2077.84×8.585887+282.18×(2.29/3×(2×115.01+131.44)/(115.01+131.44))
=18.69×18.593333+2077.84×8.585887+282.18×(2.29/3×361.46/(115.01+131.44))
=18.69×18.593333+2077.84×8.585887+282.18×(2.29/3×361.46/246.45)
=18.69×18.593333+2077.84×8.585887+282.18×1.119555
=347.509394+2077.84×8.585887+282.18×1.119555
=347.509394+17840.099444+282.18×1.119555
=347.509394+17840.099444+315.91603
=18187.608838+315.91603
=18503.524868 答案:18.69×(1.78/3+15.1+2.9)+2077.84×(15.1/3×(2×35.68+239.53)/(35.68+239.53)+2.9)+282.18×(2.29/3×(2×115.01+131.44)/(115.01+131.44))=18503.524868你的问题在这里没有得到解决?请到 热门难题 里面看看吧!