Răspuns:
a ) 347 × 201 - 10 000 = 59 747
69 747 - 10 000 = 59 747
c) 40 856 - 329 × 17 = 35 263
40 856 - 5593 = 35 263
e) 463 × 18 + 501 × 29 = 2741
8334 - 5593 = 2741
b) 33 033 × 22 + 709 × 105 = 801 171
726 726 + 74 445 = 801 171
d) 71 × 23 + 72 × 24 + 73 × 25 - 74 × 26 = 3272
1633 + 1728 + 1835 - 1924 =
3361 + 1835 - 1924 =
5196 - 1924 = 3272
f) 2011 - 11 × 21 - 15 × 26 - 19 × 30 = 820
2011 - 231 - 390 - 570 =
1780 - 390 - 570 =
1390 - 570 = 820
