1) а+3-v-c
2) a-4-v+c
3) a-4+v+c
4) a-3+v+c
5) -ax²+vx²-cx²+axy-vxy+cxy
6) -7x+(-4y-(5x-3y))
-7x+(-y-5x)
-7x-y-5x
-12x-y
7) -2(3a-2v+4c)-(4a-(-3v+2c))
-6a+4v-8c-(4a+3v-2c)
-6a+4v-8c-4a-3v+2c
-10a+v-6c
1) а+3-v-c
2) a-4-v+c
3) a-4+v+c
4) a-3+v+c
5) -ax²+vx²-cx²+axy-vxy+cxy
6) -7x+(-4y-(5x-3y))
-7x+(-y-5x)
-7x-y-5x
-12x-y
7) -2(3a-2v+4c)-(4a-(-3v+2c))
-6a+4v-8c-(4a+3v-2c)
-6a+4v-8c-4a-3v+2c
-10a+v-6c