2. 108. Көбейткіштерге жіктеңдер: 1) 2+3x3x+9;
3) mº+mn-5m-5n;
2) x-xy-2x+2y;
4) aº-ab-3a+3b;
5) 10ay-5by+2ax-bx; 6) 6by-15bx-4ay+10ax;
7) 5x9-5ax-7a+7x;
8) 4x24xz-3x+32;
9) 5ax-6bx-5ay+6by; 10) 2m2-mn+2mx-nx.
265
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