Объяснение:
1) (4а+8b)/4a = 4(a+2b)/4a = (a+2b)/a
2) (5x-10y)/(3x-6y) = 5(x-2y)/3(x-2y) = 5/3
3) (x²-25)/(2x-10) = (x-5)(x+5)/2(x-5) = (x+5)/2
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Объяснение:
1) (4а+8b)/4a = 4(a+2b)/4a = (a+2b)/a
2) (5x-10y)/(3x-6y) = 5(x-2y)/3(x-2y) = 5/3
3) (x²-25)/(2x-10) = (x-5)(x+5)/2(x-5) = (x+5)/2