Ответ:
Объяснение:
a) 35x^4/12y^5 * 8y^4/21x^5= 35*8x^4y^4/ 12*21y^5x^5=5*2/3*3xy=10/9xy
b)ab³/(7-7p) : a²b²/(1-2p+p²)=ab³/7(1-p) * (1-p)²/a²b²=b(1-p)/7a
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Ответ:
Объяснение:
a) 35x^4/12y^5 * 8y^4/21x^5= 35*8x^4y^4/ 12*21y^5x^5=5*2/3*3xy=10/9xy
b)ab³/(7-7p) : a²b²/(1-2p+p²)=ab³/7(1-p) * (1-p)²/a²b²=b(1-p)/7a