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 (2×2×5372.73×128.83)/(1×19.1×1000×610^2)-2×0.8×(1-40/610)×(300×1885)/((0.56-0.8)×1×19.1×1000×610) 的值.
题型:数学计算
解:
(2×2×5372.73×128.83)/(1×19.1×1000×610^2)-2×0.8×(1-40/610)×(300×1885)/((0.56-0.8)×1×19.1×1000×610)
=2768675.2236/(1×19.1×1000×610^2)-2×0.8×(1-40/610)×(300×1885)/((0.56-0.8)×1×19.1×1000×610)
=2768675.2236/7107110000-2×0.8×(1-40/610)×(300×1885)/((0.56-0.8)×1×19.1×1000×610)
=2768675.2236/7107110000-2×0.8×0.934426×(300×1885)/((0.56-0.8)×1×19.1×1000×610)
=2768675.2236/7107110000-2×0.8×0.934426×565500/((0.56-0.8)×1×19.1×1000×610)
=2768675.2236/7107110000-2×0.8×0.934426×565500/((-0.24)×1×19.1×1000×610)
=2768675.2236/7107110000-2×0.8×0.934426×565500/(-2796240)
=0.00039-2×0.8×0.934426×565500/(-2796240)
=0.00039-1.6×0.934426×565500/(-2796240)
=0.00039-1.495082×565500/(-2796240)
=0.00039-845468.871/(-2796240)
=0.00039-(-0.302359)
=0.302749 答案:(2×2×5372.73×128.83)/(1×19.1×1000×610^2)-2×0.8×(1-40/610)×(300×1885)/((0.56-0.8)×1×19.1×1000×610)=0.302749你的问题在这里没有得到解决?请到 热门难题 里面看看吧!