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题型:解决问题 题类:常考题 难易度:困难
两位数减两位数(进位)1155(10题)
42-8{#blank#}1{#/blank#}35 28+4{#blank#}2{#/blank#}35 36-7{#blank#}3{#/blank#}29
5+32{#blank#}4{#/blank#}50+32 57-5{#blank#}5{#/blank#}38+17 25+47{#blank#}6{#/blank#}35+35
23+51= 9+45= 82-38=
28+15-33= 95-47-39= 19+(45-37)=
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