Question

$(5 \sqrt{2) {}^{2} }$
$18 \sqrt{35 } \div 2 \sqrt{5}$
$6 \sqrt{27} - 5 \sqrt{12}$
$6 \sqrt{8 } - 4 \sqrt{2}$


Va rogg multtt​

Answer 1

Răspuns:

(5√2)² = 25 × 2 = 50

18√35 : 2√5 = 9√7

6√27 - 5√12 = 6√(9×3) - 5√(4×3) = 6×3√3 - 5×2√3 = 18√3 - 10√3 = 8√3

6√8 - 4√2 = 6√(4×2) - 4√2 = 6×2√2 - 4√2 = 12√2 - 4√2 = 8√2