буду сюда добавлять-обновлять. следите:1) 3(a+4b)/3*2ab=a+4ab/2ab.2) 5(3-4c)/5*2b=3-4c/2b.3) 2(a-2)/3(a-2)=2/3.4) -(a+3b)/a(a-3b)=-1/a.
5) a-3b/a(a-3b)=1/a.6) ne vidno!7) (y-4)(y+4)/3(y+4)=y-4/3.8) 5(x-3y)/(x-3y)(x+3y)=5/x+3y.
9) (c+2)(c+2)/7c(c+2)=c+2/7c.10) 6c(b-3c)/(b-3c)(b-3c)(b-3c)=6c/(b-3c)"2.11) (a+5)(a+5)/(a-5)(a+5)=a+5/a-5.
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буду сюда добавлять-обновлять. следите:
1) 3(a+4b)/3*2ab=a+4ab/2ab.
2) 5(3-4c)/5*2b=3-4c/2b.
3) 2(a-2)/3(a-2)=2/3.
4) -(a+3b)/a(a-3b)=-1/a.
5) a-3b/a(a-3b)=1/a.
6) ne vidno!
7) (y-4)(y+4)/3(y+4)=y-4/3.
8) 5(x-3y)/(x-3y)(x+3y)=5/x+3y.
9) (c+2)(c+2)/7c(c+2)=c+2/7c.
10) 6c(b-3c)/(b-3c)(b-3c)(b-3c)=6c/(b-3c)"2.
11) (a+5)(a+5)/(a-5)(a+5)=a+5/a-5.