Ответ:
1. 6аb
2. 12сd
3. 10х
Пошаговое объяснение:
1. 6а²/7b:3a/21b² = 6а²/7b * 21b²/3а = 2а * 3b = 6аb
2. 8c³/5d:2c²/15d² = 8c³/5d * 15d²/2c²= 4c * 3d = 12сd
3. 16x²/5y*5²y/2³x = 16x²/5y * 25y/8x = 2х*5 = 10х
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Ответ:
1. 6аb
2. 12сd
3. 10х
Пошаговое объяснение:
1. 6а²/7b:3a/21b² = 6а²/7b * 21b²/3а = 2а * 3b = 6аb
2. 8c³/5d:2c²/15d² = 8c³/5d * 15d²/2c²= 4c * 3d = 12сd
3. 16x²/5y*5²y/2³x = 16x²/5y * 25y/8x = 2х*5 = 10х