Rút gọn BT
help m vs ạ! mình cảm on ạ
----- Nội dung ảnh -----
B5. Rút gọn DT
a) \( 4\sqrt{5} + 3\sqrt{5} - \sqrt{5} \)
b) \( \sqrt{30} + \sqrt{45} - \sqrt{5} \)
c) \( \frac{2}{\sqrt{2}-1} + \sqrt{3} \)
d) \( \frac{1}{\sqrt{3}-2} + \frac{\sqrt{300}}{10} - \sqrt{12} \)
e) \( \frac{-4}{\sqrt{5}-d} - \frac{4}{\sqrt{5}+d} \)
----- Nội dung ảnh -----
B5. Rút gọn DT
a) \( 4\sqrt{5} + 3\sqrt{5} - \sqrt{5} \)
b) \( \sqrt{30} + \sqrt{45} - \sqrt{5} \)
c) \( \frac{2}{\sqrt{2}-1} + \sqrt{3} \)
d) \( \frac{1}{\sqrt{3}-2} + \frac{\sqrt{300}}{10} - \sqrt{12} \)
e) \( \frac{-4}{\sqrt{5}-d} - \frac{4}{\sqrt{5}+d} \)