Tolong kerjakan dengan benar

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Tolong kerjakan dengan benar ​

 

Jawab:

13. \sqrt{175} + 4\sqrt{7} - \sqrt{63}\ = 6\sqrt{7} (A)

14. 3.75 (A)

15. 4\sqrt{3} (A)

16. 4 1/2 (B)

17. 5\sqrt{2} (C)

18. 8+2\sqrt{15} (A)

19. \sqrt{5} (B)

20. 4 - 2\sqrt{3} (B)

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