Вправи: 538

538. Винесіть множник з–під знака кореня.

1) 8 = 4•2 = 4 • 2 = 22;

2) 32 = 16•2 = 16 • 2 = 42;

3) 72 = 36•2 = 36 • 2 = 62;

4) 162 = 81•2 = 81 • 2 = 92;

5) 12 = 4•3 = 4 • 3 = 23;

6) 45 = 9•5 = 9 • 5 = 35;

7) 75 = 25•3 = 25 • 3 = 53;

8) 128 = 64•2 = 64 • 2 = 82;

9) 20 = 4•5 = 4 • 5 = 25;

10) 125 = 25•5 = 25 • 5 = 55;

11) 250 = 25•10 = 25 • 10 = 510;

12) 500 = 100•5 = 100 • 5 = 105;

13) 300 = 100•3 = 100 • 3 = 103;

14) 80 = 16•5 = 16 • 5 = 45;

15) 180 = 36•5 = 36 • 5 = 65;

16) 405 = 81•5 = 81 • 5 = 95.