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题型:填空题 题类:常考题 难易度:容易
整十数加、减整十数1055(10题)
40-30=
34-30=
9+20=
28-20=
小猴比大猴少几个?
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}(人)
{#blank#}1{#/blank#} - {#blank#}2{#/blank#} = {#blank#}3{#/blank#}
50{#blank#}1{#/blank#}3=53
64{#blank#}2{#/blank#}20=44
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