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 (1.7-0.1)*(2.7-0.1)+(2.8-0.1)*(5-0.1)+3.5*(5.6-0.1)*3*2 的值.
题型:数学计算
解:
(1.7-0.1)*(2.7-0.1)+(2.8-0.1)*(5-0.1)+3.5*(5.6-0.1)*3*2
=1.6*(2.7-0.1)+(2.8-0.1)*(5-0.1)+3.5*(5.6-0.1)*3*2
=1.6*2.6+(2.8-0.1)*(5-0.1)+3.5*(5.6-0.1)*3*2
=1.6*2.6+2.7*(5-0.1)+3.5*(5.6-0.1)*3*2
=1.6*2.6+2.7*4.9+3.5*(5.6-0.1)*3*2
=1.6*2.6+2.7*4.9+3.5*5.5*3*2
=4.16+2.7*4.9+3.5*5.5*3*2
=4.16+13.23+3.5*5.5*3*2
=4.16+13.23+19.25*3*2
=4.16+13.23+57.75*2
=4.16+13.23+115.5
=17.39+115.5
=132.89 答案:(1.7-0.1)*(2.7-0.1)+(2.8-0.1)*(5-0.1)+3.5*(5.6-0.1)*3*2=132.89你的问题在这里没有得到解决?请到 热门难题 里面看看吧!