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题型:填空题 题类:常考题 难易度:普通
两位数加整十数(不进位)977(10题)
49+20=
20+61=
30+53=
40+34=
60+20=
{#blank#}1{#/blank#} - {#blank#}2{#/blank#} = {#blank#}3{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}={#blank#}4{#/blank#}(页)
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