试题 试卷
题型:单选题 题类: 难易度:普通
【小白鸥-情境卷】北师大版六上数学第四单元百分数 知识点专项1百分数的认识及相关计算
百分之一百写作:1%
1-0.23= 1.3×0.2= + = - = × =
÷ = 125×42= 6π≈ 1-30%= ×7÷ =
20×2%= 1.3×50%= 25%+75%= 40×(1+30%)=
÷ = ÷3= 6× = × × =
-=
+=
×=
÷=
21÷
×30=
50×40%=
6.5÷5=
20×80=
0.81÷0.9=
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