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 3.45*3.3*2+(3.5*0.35+3.25*3.5)*2+(3.35*3.45-0.5*2.9)*2+3.6*3.2*2+(3.45*0.35+2.5*5.15)*2 的值.
题型:数学计算
解:
3.45*3.3*2+(3.5*0.35+3.25*3.5)*2+(3.35*3.45-0.5*2.9)*2+3.6*3.2*2+(3.45*0.35+2.5*5.15)*2
=3.45*3.3*2+12.6*2+(3.35*3.45-0.5*2.9)*2+3.6*3.2*2+(3.45*0.35+2.5*5.15)*2
=3.45*3.3*2+12.6*2+10.1075*2+3.6*3.2*2+(3.45*0.35+2.5*5.15)*2
=3.45*3.3*2+12.6*2+10.1075*2+3.6*3.2*2+14.0825*2
=11.385*2+12.6*2+10.1075*2+3.6*3.2*2+14.0825*2
=22.77+12.6*2+10.1075*2+3.6*3.2*2+14.0825*2
=22.77+25.2+10.1075*2+3.6*3.2*2+14.0825*2
=22.77+25.2+20.215+3.6*3.2*2+14.0825*2
=22.77+25.2+20.215+11.52*2+14.0825*2
=22.77+25.2+20.215+23.04+14.0825*2
=22.77+25.2+20.215+23.04+28.165
=47.97+20.215+23.04+28.165
=68.185+23.04+28.165
=91.225+28.165
=119.39 答案:3.45*3.3*2+(3.5*0.35+3.25*3.5)*2+(3.35*3.45-0.5*2.9)*2+3.6*3.2*2+(3.45*0.35+2.5*5.15)*2=119.39你的问题在这里没有得到解决?请到 热门难题 里面看看吧!