Пошаговое объяснение:
1) 4 : 4. 5/6 = 4 : 29/6 = 4 * 6/29 = 24/29
2) 2. 2/7 * 5. 1/4 = 16/7 * 21/4 = 4/1 * 3/1 = 12/1 = 12
3) 24/29 + 12 = 12. 24/29
4) 12. 24/29 - 7. 11/12 = 12. 288/348 - 7. 319/348 = 11. 636/348 - 7. 319/348 =
4. 317/348
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Через калькулятор проверила
Пошаговое объяснение:
1) 4 : 4. 5/6 = 4 : 29/6 = 4 * 6/29 = 24/29
2) 2. 2/7 * 5. 1/4 = 16/7 * 21/4 = 4/1 * 3/1 = 12/1 = 12
3) 24/29 + 12 = 12. 24/29
4) 12. 24/29 - 7. 11/12 = 12. 288/348 - 7. 319/348 = 11. 636/348 - 7. 319/348 =
4. 317/348