Скоротіть дріб:
1)7(a + 5b)/(a + 5b)
2)(x + y)/6(x + y)
3)(4a + 4b)/(a + b)
4)(x - 2y)/(3x - 6y)
5)(18ab - 3a)/(3ab)
6)(15x)/(5x + 10xy)
7)(20a * b ^ 3 - 10a * b ^ 2)/(4ab - 8a * b ^ 2)
8)(6xy + 12x)/(15x ^ 2 * y + 30x ^ 2)
1)7(a + 5b)/(a + 5b)
2)(x + y)/6(x + y)
3)(4a + 4b)/(a + b)
4)(x - 2y)/(3x - 6y)
5)(18ab - 3a)/(3ab)
6)(15x)/(5x + 10xy)
7)(20a * b ^ 3 - 10a * b ^ 2)/(4ab - 8a * b ^ 2)
8)(6xy + 12x)/(15x ^ 2 * y + 30x ^ 2)
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Answers & Comments
2)1/6
3)4(a+b)/(a+b)=4
4)(x-2y)/3(x-2y)=1/3
5)3a*(6a-1)/3ab=6b-1/b
6)=15x/5x(1+2y)=3/1+2y
7)=-5b/2
8)2/5x