№1
Раскройте скобки:
1)3(2а+b-8c)
2)-4(-х+3у-4z)
3)(m-5n-6k)*(-1,4)
4)(-a-3,4b+3c)*(-d)
5)-0,8a(4p-5b-1,2)
6)-14(3\7x-9\14y+0,5z-0,2)
№2 Вынесите за скобки общий множитель:
1)8m-8n 2)7mn-2mp+m 3)12xy+18xk
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