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 -15+6/1.25+10.5/1.25^2+12.3/1.25^3+10.2/1.25^4+12.6/1.25^5 的值.
题型:数学计算
解:
-15+6/1.25+10.5/1.25^2+12.3/1.25^3+10.2/1.25^4+12.6/1.25^5
=-15+6/1.25+10.5/1.5625+12.3/1.25^3+10.2/1.25^4+12.6/1.25^5
=-15+6/1.25+10.5/1.5625+12.3/1.953125+10.2/1.25^4+12.6/1.25^5
=-15+6/1.25+10.5/1.5625+12.3/1.953125+10.2/2.44140625+12.6/1.25^5
=-15+6/1.25+10.5/1.5625+12.3/1.953125+10.2/2.44140625+12.6/3.0517578125
=-15+4.8+10.5/1.5625+12.3/1.953125+10.2/2.44140625+12.6/3.0517578125
=-15+4.8+6.72+12.3/1.953125+10.2/2.44140625+12.6/3.0517578125
=-15+4.8+6.72+6.2976+10.2/2.44140625+12.6/3.0517578125
=-15+4.8+6.72+6.2976+4.17792+12.6/3.0517578125
=-15+4.8+6.72+6.2976+4.17792+4.128768
=-10.2+6.72+6.2976+4.17792+4.128768
=-3.48+6.2976+4.17792+4.128768
=2.8176+4.17792+4.128768
=6.99552+4.128768
=11.124288 答案:-15+6/1.25+10.5/1.25^2+12.3/1.25^3+10.2/1.25^4+12.6/1.25^5=11.124288你的问题在这里没有得到解决?请到 热门难题 里面看看吧!