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题型:填空题 题类:常考题 难易度:容易
万以内加、减法口算 2826 10
130-60=
300+30=
300+300=
60+90=
30+5= {#blank#}1{#/blank#}(个)
{#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} = {#blank#}5{#/blank#}(个)
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