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题型:解决问题 题类:常考题 难易度:困难
两位数加两位数(不进位)1215(10题)
25+{#blank#}1{#/blank#}=30 {#blank#}2{#/blank#}-13=20 {#blank#}3{#/blank#}+8=48
{#blank#}4{#/blank#}+7=58 60-{#blank#}5{#/blank#}=42 {#blank#}6{#/blank#}-8=40
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