Вправи: 563 (1-8)

563. Внесіть множник під знак кореня:

1) 0,13 = 0,12 • 3 = 0,12•3 = 0,01 •3 = 0,03;

2) –30,1 = –1 • 32 • 0,1 = –32•0,1 = –9•0,1 = –0,9;

3) 1,15 = 1,12 • 5 = 1,12•5 = 1,21•5 = 6,05;

4) –80,2 = –1 • 82 • 0,2 = –82•0,2 = –64 •0,2 = –12,8;

5) –2,42 = –1 • 2,42 • 2 = –2,42•2 = –5,76 •2 = –11,52;

6) 12 10 = (12)2 • 10 = (12)2•10 = 14•10 = 2,5;

7) 23 2 = (23)2 • 2 = (23)2•2 = 49•2 = 89;

8) –45 0,2 = –1 • (45)2 • 0,2 = –(45)2•0,2 = –1625•210 = –16125;

9) 14 23 = (14)2 • 23 = (14)2•23 = 116•23 = 124;

10) 23 15 = (23)2 • 15 = (23)2•15 = 49•15 = 445;

11) 13 13 = (13)2 • 13 = (13)2•13 = 19• 13 = 127;

12) 27 116 = (27)2 • 76 = (27)2•76 = 449•76 = 221.