tolongin yah...........

12.
24² - 11²
= 576 - 121
= 455

Jawaban : B. 455

13.
√289 + √625
= 17 + 25
= 42

Jawaban : D. 42

14.
[tex] \frac{75}{100} \\ = \frac{75 \div 25}{100 \div 25} \\ = \frac{3}{4} [/tex]
Jawaban : A. ¾

Maaf Kalau Salah