Question

9/25×13/20+13/25×3/5+1/5×13/25怎么算

Answer 1

9/25×13/20+13/25×3/5+1/5×13/25
=13/25×9/20+13/25×3/5+1/5×13/25
=13/25×（9/20+3/5+1/5）
=13/25×（9/20+4/5）
=13/25×25/20
=13/20
亲，愿我的回答能帮到您，祝您愉快

Answer 2

9/25ⅹ13/20+13/25x3/5+1/5x13/25
=13/25x9/20+13/25ⅹ3/5+13/25x1/5
=13/25ⅹ(9/20+3/5+1/5)
=13/25ⅹ(9/20+12/20+4/20)
=13/25x25/20
=13/20。

Answer 3

9/25×13/20+13/25×3/5+1/5×13/25
=13/25×9/20+13/25×3/5+1/5×13/25
=13/25×(9/20+3/5+1/5)
=13/25×25/20
=13/20