2.69×0.25+2.31÷4怎么简便计算?

2025-04-03 03:21:04
推荐回答(1个)
回答1:

简便运算:
2.69×0.25+2.31×1/4
=2.69×0.25+2.31×0.25
=0.25×(2.69+2.31)
=0.25×5
=1.25