(-3⼀5)×3⼀5+9⼀25×(-24) 简便计算

2024-11-17 09:56:37
推荐回答(1个)
回答1:

(-3/5)×3/5+9/25×(-24)
=-9/25+9/25×(-24)
=-9/25×(1+24)
=-9/25×25
=-9