5 x 2 x 1 =
200 + 110 x 5 =
5 x 8 =
23 x 8 =
36 x 5 =
550 + 320 =
200 + 120 =
259 + 5 x 2 =
655 + 278 =
45 +40 x100 =
4.045
180
10
320
