Раскройте скобки: 1)4(5х+9y-z) 2)-6(-a-8b+7c) 3)(6p-n-4m)*(-1.6) .6a-b+1.4c)*(-m) 5)-0.7n(7a-2.1+5k) 6)-24(7/12x+0.5y-5/6z-0.3)

1 20x +36y- 4z
2 6a+48 b -42c
3-9.6p+ 1.6n+6.4m
4 2.6am+bm-1.4cm
5 -4.9an+ 1.47n-3.5nk
6 -14x-12y + 20z + 7.2