试题 试卷
题型:口算与估算 题类:常考题 难易度:困难
两位数减两位数(进位)1150(11题)
30{#blank#}1{#/blank#}50-20 76{#blank#}2{#/blank#}67 46{#blank#}3{#/blank#}27+9 40-8{#blank#}4{#/blank#}24+8
35+28= 91-64= 40+23+12= 46+28-31=
61-24= 54-28= 18+35= 48+19=
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