试题 试卷
题型:填空题 题类:常考题 难易度:困难
两位数减两位数(退位)1183(11题)
45+26=
56-27=
33-19-4=
45-15+25=
5×6+5=
7×8-6=
4×7-3=
2×9+2=
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