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 2×2.5×43.49×1.25+4×2.5×8.03×1.25+2×2.5×27.95×1.25+2×2.55×8.03×1.25 的值.
题型:数学计算
解:
2×2.5×43.49×1.25+4×2.5×8.03×1.25+2×2.5×27.95×1.25+2×2.55×8.03×1.25
=5×43.49×1.25+4×2.5×8.03×1.25+2×2.5×27.95×1.25+2×2.55×8.03×1.25
=217.45×1.25+4×2.5×8.03×1.25+2×2.5×27.95×1.25+2×2.55×8.03×1.25
=271.8125+4×2.5×8.03×1.25+2×2.5×27.95×1.25+2×2.55×8.03×1.25
=271.8125+10×8.03×1.25+2×2.5×27.95×1.25+2×2.55×8.03×1.25
=271.8125+80.3×1.25+2×2.5×27.95×1.25+2×2.55×8.03×1.25
=271.8125+100.375+2×2.5×27.95×1.25+2×2.55×8.03×1.25
=271.8125+100.375+5×27.95×1.25+2×2.55×8.03×1.25
=271.8125+100.375+139.75×1.25+2×2.55×8.03×1.25
=271.8125+100.375+174.6875+2×2.55×8.03×1.25
=271.8125+100.375+174.6875+5.1×8.03×1.25
=271.8125+100.375+174.6875+40.953×1.25
=271.8125+100.375+174.6875+51.19125
=372.1875+174.6875+51.19125
=546.875+51.19125
=598.06625 答案:2×2.5×43.49×1.25+4×2.5×8.03×1.25+2×2.5×27.95×1.25+2×2.55×8.03×1.25=598.06625你的问题在这里没有得到解决?请到 热门难题 里面看看吧!