November 2021 0 16 Report
Раскройте скобки и приведите подобные слагаемые: 7у – 2(3у – 8);
–(–2х + 7) – 3(х – 1);
4(2 – 5х) – 5(3 – 4х);
–7(4 – b) + 3(–2b – 2) – 5(–8 + b);
–12(7 – 2m) – (18 – m) – 9(7m –5)
ничего не понимаю ​
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