+
10+2
12
2-1
1
70 x 1
70
5÷1
5
1+1+1+1
4
30+27
57
50-28
22
22 x 4
88
88÷2
44
30+30+30+30+30
150
80+900
980
200-87
113
78 x 9
702
52÷16
3.25
50+50+50+50
200
837+591
1,428
851-369
482
87 x 629
54,723
861÷7
123
90+90+90+90+90+90
540
100,000,000+1,000,000
101,000,000
100,000-100,000
0
100,000 x 96
9,600,000
1,000,000÷10
100,000
50+50+50+50+50+50+50+50+50+50
500