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 ((0.6×0.6×8+0.6×0.7×5.25)×25+10×(8+5.25))×2+0.5×0.5×25×7.5 的值.
题型:数学计算
解:
((0.6×0.6×8+0.6×0.7×5.25)×25+10×(8+5.25))×2+0.5×0.5×25×7.5
=(5.085×25+10×(8+5.25))×2+0.5×0.5×25×7.5
=(5.085×25+10×13.25)×2+0.5×0.5×25×7.5
=259.625×2+0.5×0.5×25×7.5
=519.25+0.5×0.5×25×7.5
=519.25+0.25×25×7.5
=519.25+6.25×7.5
=519.25+46.875
=566.125 答案:((0.6×0.6×8+0.6×0.7×5.25)×25+10×(8+5.25))×2+0.5×0.5×25×7.5=566.125你的问题在这里没有得到解决?请到 热门难题 里面看看吧!