Question

1Разность 8,25 и 3/4 равна
2 значение выражения 4√32•√2 равно

Answer 1

$8,25-frac34=8frac14-frac34=7frac24=7frac12\\4sqrt{32}cdotsqrt2=4sqrt{16cdot2}cdotsqrt2=4sqrt{16}cdotsqrt2cdotsqrt2=4cdot4cdotsqrt2cdotsqrt2=16cdot2=32$

Answer 2

$8.25 - frac{3}{4} = 8.25 - 0.75 = 7.5 \ 4 sqrt[ : ]{32} times sqrt[ : ]{2} = 4 times 4 sqrt[ : : ]{2} times sqrt[ : : ]{2} = 4 times 4 times 2 = 32$