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 2.85*2.95+1.85*1.25*2+1.95*1.25*2+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+(1.25+0.5+2.75*2.85)*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2 的值.
题型:数学计算
解:
2.85*2.95+1.85*1.25*2+1.95*1.25*2+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+(1.25+0.5+2.75*2.85)*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=2.85*2.95+1.85*1.25*2+1.95*1.25*2+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+1.85*1.25*2+1.95*1.25*2+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+2.3125*2+1.95*1.25*2+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+1.95*1.25*2+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+2.4375*2+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+9.24*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+2.1*2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+4.2*3+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+2.5*3.3*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+8.25*4+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+2.6*1.2*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+3.12*3+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+9.36+9.5875*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+9.36+28.7625+2.25*3.45*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+9.36+28.7625+7.7625*3+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+9.36+28.7625+23.2875+2*2.8*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+9.36+28.7625+23.2875+5.6*3+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+9.36+28.7625+23.2875+16.8+2.9*2.8*2
=8.4075+4.625+4.875+18.48+12.6+33+9.36+28.7625+23.2875+16.8+8.12*2
=8.4075+4.625+4.875+18.48+12.6+33+9.36+28.7625+23.2875+16.8+16.24
=13.0325+4.875+18.48+12.6+33+9.36+28.7625+23.2875+16.8+16.24
=17.9075+18.48+12.6+33+9.36+28.7625+23.2875+16.8+16.24
=36.3875+12.6+33+9.36+28.7625+23.2875+16.8+16.24
=48.9875+33+9.36+28.7625+23.2875+16.8+16.24
=81.9875+9.36+28.7625+23.2875+16.8+16.24
=91.3475+28.7625+23.2875+16.8+16.24
=120.11+23.2875+16.8+16.24
=143.3975+16.8+16.24
=160.1975+16.24
=176.4375 答案:2.85*2.95+1.85*1.25*2+1.95*1.25*2+2.8*3.3*2+2.1*2*3+2.5*3.3*4+2.6*1.2*3+(1.25+0.5+2.75*2.85)*3+2.25*3.45*3+2*2.8*3+2.9*2.8*2=176.4375你的问题在这里没有得到解决?请到 热门难题 里面看看吧!