25 + 35 = 12 + 15 = 16 + 23 = 18 + 58 =
1- 38 = 34 + 15 = 56 - 29 = 1- 17 + 67 =
110 + 310 =
79 ﹣ 59 =
12 + 13 + 14 =
14 ﹣ 15 =
23 ﹣ 16 =
411 + 311 + 211 =
1﹣ 518 =
1﹣ 37 ﹣ 27 =
34+14=
920-25=
16+13=
611+1315-611=
1-37=
38+0.625=
6÷25=
3-15-45=