试题 试卷
题型:填空题 题类:常考题 难易度:容易
圆的面积7592 10
1- = × = ÷ = + =
× = ÷6= 182= 9π=
×2.5= × = 0.52= : =
= 3.7÷1%= ﹣0.25= ÷2=
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