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 (-24.3×10^3-0.3×(-207.3)×10^3)/(0.9×0.55×300)+(-11.9×10^6-0.4×(-207.3)×540)/(1.3×0.9×0.78×300×540) 的值.
题型:数学计算
解:
(-24.3×10^3-0.3×(-207.3)×10^3)/(0.9×0.55×300)+(-11.9×10^6-0.4×(-207.3)×540)/(1.3×0.9×0.78×300×540)
=(-24.3×10^3-0.3×(-207.3)×10^3)/(0.9×0.55×300)+(-11.9×10^6-0.4×(-207.3)×540)/(1.3×0.9×0.78×300×540)
=37890/(0.9×0.55×300)+(-11.9×10^6-0.4×(-207.3)×540)/(1.3×0.9×0.78×300×540)
=37890/148.5+(-11.9×10^6-0.4×(-207.3)×540)/(1.3×0.9×0.78×300×540)
=37890/148.5+(-11.9×10^6-0.4×(-207.3)×540)/(1.3×0.9×0.78×300×540)
=37890/148.5+(-11855223.2)/(1.3×0.9×0.78×300×540)
=37890/148.5+(-11855223.2)/147841.2
=255.151515+(-11855223.2)/147841.2
=255.151515+(-80.1889)
=174.962615 答案:(-24.3×10^3-0.3×(-207.3)×10^3)/(0.9×0.55×300)+(-11.9×10^6-0.4×(-207.3)×540)/(1.3×0.9×0.78×300×540)=174.962615你的问题在这里没有得到解决?请到 热门难题 里面看看吧!