гдз математика 5 клас мерзляк
Номер 276
1) (238 + 416) – 519 = 654 – 519 = 135;
2) (823 – 374) + (3477 – 3086) = 449 + 391 = 840;
3) (15 + 12) • (15 – 12) = 27 • 3 = 81;
4) (209 + 193) : (42 930 – 42 924) = 402 : 6 = 67.
Номер 276
1) (238 + 416) – 519 = 654 – 519 = 135;
2) (823 – 374) + (3477 – 3086) = 449 + 391 = 840;
3) (15 + 12) • (15 – 12) = 27 • 3 = 81;
4) (209 + 193) : (42 930 – 42 924) = 402 : 6 = 67.