Question

Решите:
1/2 * корень из 84 * 8 =?

Answer 1

1/2 * 8 * 8 = 4*8 = 32
...................................

Answer 2

$frac{1}{2}* sqrt{84} *8=4 sqrt{84} =4 sqrt{4*21} =4*2 sqrt{21} =8 sqrt{21}$