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 2×26.8×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7 的值.
题型:数学计算
解:
2×26.8×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=53.6×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=45.024×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=121.5648+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=121.5648+6×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=121.5648+260.94×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7
=121.5648+391.41+2×2.45×0.84×1.2+300×0.6×3×2.7
=121.5648+391.41+4.9×0.84×1.2+300×0.6×3×2.7
=121.5648+391.41+4.116×1.2+300×0.6×3×2.7
=121.5648+391.41+4.9392+300×0.6×3×2.7
=121.5648+391.41+4.9392+180×3×2.7
=121.5648+391.41+4.9392+540×2.7
=121.5648+391.41+4.9392+1458
=512.9748+4.9392+1458
=517.914+1458
=1975.914 答案:2×26.8×0.84×2.7+2×3×43.49×1.5+2×2.45×0.84×1.2+300×0.6×3×2.7=1975.914你的问题在这里没有得到解决?请到 热门难题 里面看看吧!