what is 100+250
350
1*5
5
2-1
1
1,2,3,_
what come next
4
10+10
20
5*5
25
10-1
9
5*_=25
fill in missing spot
50+10
60
5*7
35
250-100
150
20+40
5*10
50
100-100
0
100+10
110
5*11
55
100-50
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