试题 试卷
题型:填空题 题类:常考题 难易度:容易
数与代数8470 9
50×6= 70-18=
90÷3= 40×20=
6.4+2.3= 5.3-3.5=
15×20= 640÷8=
× = + = ÷ = ﹣ ﹣ =
3.14×202= 5× = ÷40%= 1÷6× =
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