212 + 172 =
340 + 157 =
134 + 286 =
432 + 267 =
78 + 549 =
469 - 248 =
358 - 129 =
952 - 427 =
678 - 489 =
432 - 155 =
7 x 9 =
8 x 7 =
8 x 8 =
5 x 5 =
9 x 12 =
56 ÷ 8 =
21 ÷ 7 =
108 ÷ 9 =
60 ÷ 5 =
36 ÷ 6 =