№ 1. Упростите выражения:
а)4m – 6m – 3m + 7 + m;
б)–8(k – 3) + 4(k – 2) – 2(3k + 1);
а)4m – 6m – 3m + 7 + m;
б)–8(k – 3) + 4(k – 2) – 2(3k + 1);
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Answers & Comments
б)-8(k-3)+4(k-2)-2(3k+1)=-8k+24+4k-6_6k-1=-10k+16