6.25+17.25+24.25+35.25+9.25+7.25怎么简算

问题描述:

6.25+17.25+24.25+35.25+9.25+7.25怎么简算

0.25*6 +6+17+24+35+9+7

把整数部分先加起来,再6乘0.25

6.25+17.25+24.25+35.25+9.25+7.5
=(6+17+24+35+9+7)+(6x0.25)
=98+1.5
=99.5

无知啊!不值啊!

6.25+17.25+24.25+35.25+9.25+7.5
=(6+17+24+35+9+7)+(6x0.25)
=98+1.5
=99.5
.