Завдання 301 - 400 » 389

Обчисліть: 1) 52/5 + 64/15 = 56/15 + 64/15 = 1110/15 = 112/3; 2) 71/12 + 33/4 = 71/12 + 39/12 = 1010/12 = 105/6; 3) 52/9 + 44/27 = 56/27 + 44/27 = 910/27; 4) 23/5 + 61/10 = 26/10 + 61/10 = 87/10; 5) 86/25 + 33/10 = 812/50 + 315/50 = 1127/50; 6) 49/12 + 13/8 = 418/24 + 19/24 = 527/24 = 63/24; 7) 57/11 + 9/22 = 514/22 + 9/22 = 523/22 = 61/22; 8) 911/15 + 4/25 = 955/75 + 12/75 = 967/75.