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题型:填空题 题类:常考题 难易度:普通
{#blank#}1{#/blank#}={#blank#}2{#/blank#} ={#blank#}3{#/blank#} =1
÷4= × = 1.8÷ =
÷ = ÷25%= 6×(1﹣30%)=
1÷ = + = × = ×12× =
2÷40%= ÷3= ﹣ = + + + =
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