Ответ:
а) 15-9 / 15x = 3(5x-3) / 15x = 5x-3 / 5x
б) a(x+y) / y * x / 3(x+y) = a/y * x/3 = ax/3y
a) 12x-7+3x-2/15x=15x-9/15x=3(5x-3)/15x=5x-3/5x
b) a(x+y)/y*x/3(x+y)=a/y*x/3=ax/3y
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Answers & Comments
Ответ:
а) 15-9 / 15x = 3(5x-3) / 15x = 5x-3 / 5x
б) a(x+y) / y * x / 3(x+y) = a/y * x/3 = ax/3y
a) 12x-7+3x-2/15x=15x-9/15x=3(5x-3)/15x=5x-3/5x
b) a(x+y)/y*x/3(x+y)=a/y*x/3=ax/3y