试题 试卷
题型:填空题 题类:常考题 难易度:普通
分数和百分数及运算8339 10
1- =
①6.25-40÷16×2.5
② +(4 -3 )÷
③(8 -10.5× )÷4
④2 ÷[5 -4.5×(20%+ )]
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