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题型:单选题 题类:常考题 难易度:普通
应用题型选择题+1++++
20÷ {#blank#}1{#/blank#}20 ÷ {#blank#}2{#/blank#} ×2 × {#blank#}3{#/blank#}
= ÷ = 0.45÷1.5=
÷ = × = ÷42=
-=
×=
2÷=
÷6=
2×=
:=
8.4÷4.2=
10÷1%=
1÷3×=
0÷×14=
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