Откройте скобки и приведите подобные слагаемые
a) 3 ∙ (5a + 4) – 11a;
б) –2 ∙ (4b – 7) + 14b;
в) 3a ∙ (7 – b) – (b – 3a);
г) –4 ∙ (2k – 9) – 3 ∙ (6k + 1);
д) (3x – 11) ∙ 0,2 – 5 ∙ (4 – 3x)
e)1/6 ∙ (18m – 24n) – (5m + 2n);
ж) –35 ∙ (3a – 2b) + 2 ∙ (13a – b);
з) –(8a – 13) + 3 ∙ (4 – 5a).
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