1.25+4.6+0.75怎么简便运算?

2025-04-25 22:48:54
推荐回答(3个)
回答1:

=(1.25+0.75)+4.6
=2+4.6
=6.6

回答2:

1.25+0.75再加4.6,1.25+0.75=2凑成整数,2+4.6就好算啦

回答3:

用加法交换律 先相加1.25 0.75