Раскройте скобки и упростите выражение
1. 8(6х – 7) – 17х;
2. 6(4х – 3)+2(х – 5);
3. 9у – 5(17 – у);
4. –(– 5,2 + 3,1m) – (2,4m – 6,4);
5. 4(1 – 0,5а) + 2(3 + 2а);
6. 3(5m – 3n) – 4(–2m + 7n);
7. 0,3(3х – 4у) – 5(0,2х – у);
8. –5(х – 3у) + 0,02(5x – 4y);
9. (m + 3)·0,1 – (m – 10) + 0,4(2 – 2m);
10. 9,3(х + у) – 12,75(х – у);
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