Пошаговое объяснение:
1) (1 14/17 - 1 1/34)*34 = 1 14/17 * 34 - 1 1/34 * 34= 31/17 * 34 - 35/34 * 34 =
= 62 - 35 = 27
2) 8 3/17*5 1/4+3 14/17 *5 1/4 = (8 3/17 + 3 14/17 ) * 5 1/4 = 12 * 5 1/4 =
= 12 * 21/4 = 63
Пошаговое объяснение:
1) (1 14/17 - 1 1/34)*34 = 1 14/17 * 34 - 1 1/34 * 34= 31/17 * 34 - 35/34 * 34 =
= 62 - 35 = 27
2) 8 3/17*5 1/4+3 14/17 *5 1/4 = (8 3/17 + 3 14/17 ) * 5 1/4 = 12 * 5 1/4 =
= 12 * 21/4 = 63