Fast respon dengan benar

[tex] = (5 \sqrt{4} - \frac{1}{2 \sqrt{4} } - 3) - (5 \sqrt{1} - \frac{1}{2 \sqrt{1} } - 3) \\ = (10 - \frac{1}{4} - 3) - (5 - \frac{1}{2} - 3) \\ = \frac{27}{4} - \frac{3}{2} \\ = \frac{27 - 6}{4} \\ = \frac{21}{4} \\ = 5 \frac{1}{4} [/tex]
Jawaban A