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题型:填空题 题类:常考题 难易度:困难
两位数减两位数(不退位)1233(10题)
75+14=
90-40=
85-35=
67-54=
42+16=
32+23=
58-8=
65+30=
24+{#blank#}1{#/blank#}=54
{#blank#}2{#/blank#}-30=29
41+14=
88-61=
59+22=
92-45=
730-330=
230+260=
470+420=
640-420=
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