Вправи: 175

175. Виконайте дію:

1) 3a2b : ab2 = 3a2 • b2b • a = 3ab1 = 3ab;

2) –3pc3 : 15p2c2 = –3p • c2 c3 • 15p2 = –15pc;

3) 4p5c : 8p215c3 = 4p • 15c35c • 8p2 = 3c22p;

4) 15m3c : (–10m²) = 15m3 • 1c • (-10m2) = –3m2c;

5) –2a2b : (–8a²) = 2a2 • 1b • 8a2 = 14b;

6) –12a²bc : 4abm = -12a2bc • m4ab = –3acm1 = –3acm.