6+20= 48-8= 15-9= 13-6+50=
34-30= 14-6= 12-7= 28-8+40=
11-3=
25-5=
14-6+4=
53-3=
8+70=
13-9+10=
66-60=
19-7=
73-70+14=
= (个) = (个)
29﹣9=
77﹣70=
62+6=
17﹣9+21=
87﹣7=
13﹣8=
20+30=
18﹣9+2=
37﹣30=
53﹣3=
2+22=
15﹣6+7=
60﹣30=
10+80=
5+42=
56﹣6+5=
8+6=
13﹣7=
11﹣3=
15﹣7=
12﹣4=
17﹣9=
6+70=
30+8=
11﹣2=
9+7=
16﹣8=
18﹣9=
66﹣6=
98﹣90=
7+50=
37﹣7=
90+9=
65﹣5=
87﹣80=
9+60=
16-8= 96-10= 30+15= 5+6= 8+6+40=
79-9= 12-3= 40+9= 95+3= 64+5-20=
40+30= 11-4= 22+5= 7+62= 46-6+54=
10+34= 58-8= 73-70= 13-7= 32-20-7=
20+7 81-3 64+7 42-40 37-2
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