Question

$72 \sqrt{63} \div ( - 4 \sqrt{7} ) \div (- \sqrt{3)}$
​

Answer 1

72√63:(-4√7):(-√3)

-18√9:(-√3)

-18×√9:(-√3)

-18×-√3

-3×√2×-√3

-3×(-√5)

3×√5

Answer 2

Răspuns:

Explicație pas cu pas:

$72\sqrt{9\cdot7} :4\sqrt{7} :\sqrt{3} =72\cdot3\sqrt{7} :4\sqrt{7} :\sqrt{3} =18\cdot3:\sqrt{3} =54:\sqrt{3} =\\ \\ =\frac{(54\sqrt{3} )}{3} =18\sqrt{3}$