Răspuns:
Explicație pas cu pas:
( √8 + √72) : (√50 - √2) =(2√2+6√2) : (5√2-√2) = 8√2 : 4√2 = 2
(8 : 4) ×(√2:√2) = 2×1= 2
___________________________________________________
√8 = √4×√2 = 2√2
√72 = √8×√9 = 2√2×3 = 6√2
√50 = √25×√2 = 5√2
