Пошаговое объяснение:
17-12x/x + 10-x/x = 17-12x+10-x/x = 27-13x/x
b)
12p-1/3p² -1-3p/3p² = 12p-1-1+3p/3p² = 15p-2/3p²
в)
6y-3/5y - y+2/5y =6y-3-y-2/5y =5y-5/5y=5(y-1)/5y=y-1/y
4.
36x6/y6 -y²/9x6=4/y4
(27a²b³)÷36a5/b =27 a²b³ ·b/36a5=3b4/4a³
в) (a + 6-a²/1+a)÷ (6+a/a²-1)= a(1+a)+6-a² /1+a · a²-1/6+a = a+a²+6-a² (a-1)(a+1) /(1+a)(6+a) =a(a-1) /6+a
Пошаговое объяснение:
17-12x/x + 10-x/x = 17-12x+10-x/x = 27-13x/x
b)
12p-1/3p² -1-3p/3p² = 12p-1-1+3p/3p² = 15p-2/3p²
в)
6y-3/5y - y+2/5y =6y-3-y-2/5y =5y-5/5y=5(y-1)/5y=y-1/y
4.
36x6/y6 -y²/9x6=4/y4
b)
(27a²b³)÷36a5/b =27 a²b³ ·b/36a5=3b4/4a³
в) (a + 6-a²/1+a)÷ (6+a/a²-1)= a(1+a)+6-a² /1+a · a²-1/6+a = a+a²+6-a² (a-1)(a+1) /(1+a)(6+a) =a(a-1) /6+a