What is the answer?
153 – 115
276 – 65
210 – 153
155 – 28
126 – 55
100 – 37
100 – 64
94 – 56
83 – 74
72 – 36
64 – 28
55 – 26
43 – 14
45 – 16
33 – 25
23 – 15
98 – 79
84 – 51
78 – 27
69 – 42
53 – 33
56 – 34
44 – 23
47 – 26
35 – 22
1000 – 499
750 – 324
500 – 249
400 – 274
300 - 149
200 - 149
200 - 99
150 - 49
100 - 37
100 - 44
90 - 44
80 - 39
70 - 34
60 - 29
50 - 24
40 - 19
30 - 12
20 - 8
Add.
444 + 777
370 + 267
518 + 265
218 + 293
185 + 146
209 + 136
230 + 284
377 + 340
292 + 139
115 + 293
274 + 57
342 + 64
262 + 35
121 + 48
74 + 47
45 + 47
53 + 38
46 + 38
25 + 38
37 + 18
26 + 24
28 + 24
16 + 36
16 + 27
32 + 25
24 + 32
18 + 31
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