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 (0.5×22+2.4×19.1+2.5×22+20-10×(0.5+2.4+2.5))×0.33-2×0×√0.33+10×(0.5+2.4+2.5) 的值.
题型:数学计算
解:
(0.5×22+2.4×19.1+2.5×22+20-10×(0.5+2.4+2.5))×0.33-2×0×√0.33+10×(0.5+2.4+2.5)
=(0.5×22+2.4×19.1+2.5×22+20-10×5.4)×0.33-2×0×√0.33+10×(0.5+2.4+2.5)
=77.84×0.33-2×0×√0.33+10×(0.5+2.4+2.5)
=77.84×0.33-2×0×√0.33+10×5.4
=77.84×0.33-2×0×0.574456+10×5.4
=25.6872-2×0×0.574456+10×5.4
=25.6872-0×0.574456+10×5.4
=25.6872-0+10×5.4
=25.6872-0+54
=25.6872+54
=79.6872 答案:(0.5×22+2.4×19.1+2.5×22+20-10×(0.5+2.4+2.5))×0.33-2×0×√0.33+10×(0.5+2.4+2.5)=79.6872你的问题在这里没有得到解决?请到 热门难题 里面看看吧!