Show:
Addition
Subtraction
Addition
Subtraction
100
20 + 11
31
100
75 - 34
41
100
54 + 69
123
100

28-12

16

200
32 + 26
58
200
37 - 19
18
200
751 + 39
790
200
196 - 34
162
300
10 more than 47
57
300
10 less than 51
41
300
329 + 151
480
300
837 - 416
421
400
15 more than 20
35
400
15 less than 38
23
400
512 + 108
620
400
559 - 462
97
500
28 + 30
58
500
51 - 33
18
500
252 + 338
590
500
618 - 178
440