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+1/3+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55 的值.
题型:数学计算
解:
1/1+1/3+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55
=1+1/3+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55
=1+0.333333+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55
=1+0.333333+0.166667+1/10+1/15+1/21+1/28+1/36+1/45+1/55
=1+0.333333+0.166667+0.1+1/15+1/21+1/28+1/36+1/45+1/55
=1+0.333333+0.166667+0.1+0.066667+1/21+1/28+1/36+1/45+1/55
=1+0.333333+0.166667+0.1+0.066667+0.047619+1/28+1/36+1/45+1/55
=1+0.333333+0.166667+0.1+0.066667+0.047619+0.035714+1/36+1/45+1/55
=1+0.333333+0.166667+0.1+0.066667+0.047619+0.035714+0.027778+1/45+1/55
=1+0.333333+0.166667+0.1+0.066667+0.047619+0.035714+0.027778+0.022222+1/55
=1+0.333333+0.166667+0.1+0.066667+0.047619+0.035714+0.027778+0.022222+0.018182
=1.333333+0.166667+0.1+0.066667+0.047619+0.035714+0.027778+0.022222+0.018182
=1.5+0.1+0.066667+0.047619+0.035714+0.027778+0.022222+0.018182
=1.6+0.066667+0.047619+0.035714+0.027778+0.022222+0.018182
=1.666667+0.047619+0.035714+0.027778+0.022222+0.018182
=1.714286+0.035714+0.027778+0.022222+0.018182
=1.75+0.027778+0.022222+0.018182
=1.777778+0.022222+0.018182
=1.8+0.018182
=1.818182 答案:1/1+1/3+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55=1.818182你的问题在这里没有得到解决?请到 热门难题 里面看看吧!