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 1.1+1.91+1.991+1.9991+1.99991+1.999991+1.9999991+1.99999991+1.999999991 的值.
题型:数学计算
解:
1.1+1.91+1.991+1.9991+1.99991+1.999991+1.9999991+1.99999991+1.999999991
=3.01+1.991+1.9991+1.99991+1.999991+1.9999991+1.99999991+1.999999991
=5.001+1.9991+1.99991+1.999991+1.9999991+1.99999991+1.999999991
=7.0001+1.99991+1.999991+1.9999991+1.99999991+1.999999991
=9.00001+1.999991+1.9999991+1.99999991+1.999999991
=11.000001+1.9999991+1.99999991+1.999999991
=13+1.99999991+1.999999991
=15+1.999999991
=17 答案:1.1+1.91+1.991+1.9991+1.99991+1.999991+1.9999991+1.99999991+1.999999991=17你的问题在这里没有得到解决?请到 热门难题 里面看看吧!