题卡三 姓名：
90-70=
100-20=
20+7= 30+60= 20+6=
87-7= 6+30= 50+8= 3+90= 90-30= 90-60= 85-80=
5+40= 4+20=
48-40=
80+6= 40+5= 70-20= 76-70= 50+50=
90-80= 9+30= 7+50= 80-70= 90-40= 70+4=
97-7= 60+20= 35-5= 90+10= 88-80=
20+7= 87-7= 90-60= 80+6= 90-80= 70+4=
97-7= 60+20= 35-5= 90+10= 88-80=
45-40= 30+50= 40+40=
90-50= 88-8= 59-9=
30+60= 6+30= 85-80=
40+5= 9+30= 45-40= 30+50= 40+40=
90-50= 88-8= 59-9= 98-8= 70+30= 7+70= 74-4= 26-6= 80+5=
题卡三 20+6=
50+8= 5+40= 70-20= 7+50= 98-8= 70+30= 7+70= 74-4= 26-6= 80+5= 96-6= 50+40= 86-80=
20+40= 30+6= 100-60=
90-70=
3+90 = 4+20=
76-70= 80-70= 96-6= 50+40= 86-80=
20+40= 30+6= 100-60= 60+3=
70+20= 56-6=
69-60= 83-3= 48-8=
姓名：
100-20=
90-30= 48-40=
50+50=
90-40= 60+3=
70+20= 56-6=
69-60= 83-3=
48-8=
