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题型:填空题 题类:常考题 难易度:困难
整十数加、减整十数1060(10题)
29{#blank#}1{#/blank#}81 28+7{#blank#}2{#/blank#}25 16-8{#blank#}3{#/blank#}8
63{#blank#}4{#/blank#}36 60-20{#blank#}5{#/blank#}80 63+2{#blank#}6{#/blank#}83
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