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1. 6(a+b)=
2. 4zy(7+3x)=
3. 7(2y+3z-c)=
4. 2(a-3+4b)=
5. 6(4x-a+b)=
6. 3ax(b+2c-4)=


1 6ab 2 4zy73x 3 72y3zc 4 2a34b 5 64xab 6 3axb2c4 class=