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题型:填空题 题类:常考题 难易度:容易
11~~20各数的认识449(10题)
6+1=
7+3=
14-4=
17-6=
13+5=
12+ =19 18-3=
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}(个)
1820 12+79 125+6 15-410
6+310-1 5-510-10 75+3 9-66
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