试题 试卷
题型:判断题 题类:常考题 难易度:容易
两位数减两位数(退位)1199(10题)
23+51= 9+45= 82-38=
28+15-33= 95-47-39= 19+(45-37)=
46+37= 80-54=
94-(39-25) = 100-50+12=
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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