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题型:单选题 题类:常考题 难易度:容易
整十数加、减整十数1065(10题)
(从左到右填写)
{#blank#}1{#/blank#} +30=80
60+{#blank#}2{#/blank#}=68
56-{#blank#}3{#/blank#}=50
30: 20+10 50-30 50-20 20+3
50: 50-10 20+30 56-6 70-50
40: 44-40 44-4 40+0 40+40
6: 56-6 66-6 66-60 26-20
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