BT1: Tính giá trị biểu thức: a) √(3+ √8) b) √(11+ 4√6) c) √(14- 6√5) d) √(22- 8√6) e) √(16-6√7) f) √( $\frac{9}{4}$ - √2) g) √( $\frac{129}{16}$ + √2 ) h) √ ($\frac{289+4√72}{16}$) i) √2.√(7-3√5) k) √($\frac{59}{25}$ + $\frac{6}{5}$.√2) L) √(2- √3).(√6 + √2) m) (√21 + 7). √(10 -2√21) P/s: Giúp mik vs ạ!!!=< Ko bắt buộc làm hết

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