Ответ:
Пошаговое объяснение:
6)
8. 7/12 - х = 7/40 * 20
8. 8/12 - х = 140/40
8. 8/12 - х = 7/2
8. 8/12 - х = 3. 1/2
х = 8. 8/12 - 3. 1/2
х = 8. 8/12 - 3. 6/12
х = 5. 2/12
х = 5. 1/6
8)
х - 9. 3/4 = 44 : 1. 9/13
х - 9. 3/4 = 44 : 22/13
х - 9. 3/4 = 44 * 13/22
х - 9. 3/4 = 2*13 / 1
х - 9. 3/4 = 26
х = 26 + 9. 3/4
х = 35. 3/4
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Answers & Comments
Ответ:
Пошаговое объяснение:
6)
8. 7/12 - х = 7/40 * 20
8. 8/12 - х = 140/40
8. 8/12 - х = 7/2
8. 8/12 - х = 3. 1/2
х = 8. 8/12 - 3. 1/2
х = 8. 8/12 - 3. 6/12
х = 5. 2/12
х = 5. 1/6
8)
х - 9. 3/4 = 44 : 1. 9/13
х - 9. 3/4 = 44 : 22/13
х - 9. 3/4 = 44 * 13/22
х - 9. 3/4 = 2*13 / 1
х - 9. 3/4 = 26
х = 26 + 9. 3/4
х = 35. 3/4