试题 试卷
题型:单选题 题类:常考题 难易度:普通
两位数减一位数(退位)1135(10题)
20+7 = 30-20 = 90+9= 60-30 = 24+6 =
51+8= 7+83= 85-5 = 90-70= 45+20=
96-7 = 65+20= 39+8= 4+65=
18+50-7= 80-60+35= 90-(60+30)= 63-(76-70)=
53-30= 33+3= 52-4= 30+23=
40-5= 63-7= 15+40= 52+8=
7+45= 100-30= 53+6= 25-20=
75-5+20= 99-90+6= 66-6+9=
方法一:
方法二:
试题篮