1+5
6
5-1
4
2 x 2
10➗10
1
50+1
51
50-1
49
5 x 5
25
50➗5
10
15 + 15
30
15 - 15
6 x 10
60
42➗7
72 + 8
80
72-8
64
10 x 10
100
100➗20
5
100 + 56 + 44 =
200
300 - 287
13
50 x 20
1,000
350➗5
70