试题 试卷
题型：解决问题 题类：常考题 难易度：普通
比和比例8357 10
33×4= 78+1.2= 25×16= 400×15%=
10- = 3.14×9= =
= 80×125％= = 1001×72=
试题篮
10- 
= 3.14×9= 
=
= 80×125％= 
= 1001×72=
