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+(1.5^1)+(1.5^2)+(1.5^3)+(1.5^4)+(1.5^5)+(1.5^6)+(1.5^7)+(1.5^8) 的值.
题型:数学计算
解:
1+(1.5^1)+(1.5^2)+(1.5^3)+(1.5^4)+(1.5^5)+(1.5^6)+(1.5^7)+(1.5^8)
=1+1.5+(1.5^2)+(1.5^3)+(1.5^4)+(1.5^5)+(1.5^6)+(1.5^7)+(1.5^8)
=1+1.5+2.25+(1.5^3)+(1.5^4)+(1.5^5)+(1.5^6)+(1.5^7)+(1.5^8)
=1+1.5+2.25+3.375+(1.5^4)+(1.5^5)+(1.5^6)+(1.5^7)+(1.5^8)
=1+1.5+2.25+3.375+5.0625+(1.5^5)+(1.5^6)+(1.5^7)+(1.5^8)
=1+1.5+2.25+3.375+5.0625+7.59375+(1.5^6)+(1.5^7)+(1.5^8)
=1+1.5+2.25+3.375+5.0625+7.59375+11.390625+(1.5^7)+(1.5^8)
=1+1.5+2.25+3.375+5.0625+7.59375+11.390625+17.0859375+(1.5^8)
=1+1.5+2.25+3.375+5.0625+7.59375+11.390625+17.0859375+25.62890625
=2.5+2.25+3.375+5.0625+7.59375+11.390625+17.0859375+25.62890625
=4.75+3.375+5.0625+7.59375+11.390625+17.0859375+25.62890625
=8.125+5.0625+7.59375+11.390625+17.0859375+25.62890625
=13.1875+7.59375+11.390625+17.0859375+25.62890625
=20.78125+11.390625+17.0859375+25.62890625
=32.171875+17.0859375+25.62890625
=49.257812+25.62890625
=74.886718 答案:1+(1.5^1)+(1.5^2)+(1.5^3)+(1.5^4)+(1.5^5)+(1.5^6)+(1.5^7)+(1.5^8)=74.886718你的问题在这里没有得到解决?请到 热门难题 里面看看吧!