13⼀25×19加19⼀25×7简便计算

13/25×19加19/25×7简便计算
2024-12-13 20:00:35
推荐回答(1个)
回答1:

13/25×19+19/25×7
=19/25×13+19/25×7
=19/25×(13+7)
=19/25×20
=15.2