5 x 1 206 - 2 x 1023 + 1 790 x 3 = 9 354
= 6 030 - 2 046 + 5 370 =
= 3 984 + 5 370 =
= 9 354
6 x 283 : 3 - 140 x 2 : 7 = 526
= 1698 : 3 - 280 : 7 =
= 566 - 40 =
= 526
2 x 3 620 : 4 - 135 : 5 x 2 = 1 756
= 7 240 : 4 - 27 x 2 =
= 1 810 - 54 =
= 1 756
615 : 3 + 123 x 2 : 3 - 124 =163
= 205 + 246 : 3 - 124 =
= 205 + 82 - 124 =
= 287 - 124 =
= 163