August 2022 2 1 Report
Вынесите общий множитель за скобки:

9a²b² - 12ab³ = ?
20x³y² + 4x²y = ?
7a²bc + 14ab²c = ?
9xyz² - 12xy²z = ?

Вычислите:
137²+ 137 * 63 = ?
187² - 187* 87 = ?
0,7³ + 0,7 * 9,51 = ?
0,9³ - 0,81 * 2,9 = ?

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