试题 试卷
题型:填空题 题类:常考题 难易度:容易
比的意义和性质7870 18
33×4= 78+1.2= 25×16= 400×15%=
10- = 3.14×9= =
= 80×125%= = 1001×72=
150:85 0.6: 0.6:0.16
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