random
458 + 347 =
805
12 + 31 + 54 =
97
487 - 155 =
332
8 + __ = 15
7
100 - 45 =
55
603- 271=
332
32 + 64 + 65 =
161
793 - 642 =
151
8 - __ = 3
5
105 - 26 =
79
53+28+84+47=
262
42+36 + 62 + 24 =
164
170 - 43 =
11 = 15 - __
4
405 - 119 =
286
14 - __ = 11
3
63+45 + 82 + 37 =
227
646 - 376 =
270
3 + __ = 19
16
503 - 227 =
276
805-287=
518
31+95 + 63 + 91 =
280
465 - 277 =
188
__ - 5 = 15
20
805 - 597 =
208