18.7÷4+5.3×0.25的简便运算

2025-06-26 06:31:25
推荐回答(1个)
回答1:

18.7÷4+5.3×0.25
=18.7×0.25+5.3×0.25
=0.25×(18.7+5.3)
=0.25×4×6
=6