试题 试卷
题型:单选题 题类:常考题 难易度:普通
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={#blank#}2{#/blank#}
7-6 ={#blank#}3{#/blank#}
={#blank#}4{#/blank#}
× = × ÷ × = ÷ =
8÷ = × = ×16=
( + )×72= × ÷ = 12÷ = ÷ =
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