Question

Обчисліть:

1.
$\sqrt{1 \frac{21}{100 } } - 5 \sqrt{0.04}$
2. (–3√2)² =

3. √0,1 • √4,9 =

4.
$\frac{ \sqrt{54} }{ \sqrt{1.5} }$

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Answer 1

1.

√1 21/100-5√0,04=

=√121/100-5•0,2=

=11/10-1=1/10

2.

(-3√2)²=9•2=18

3.

√0,1•√4,9=√(0,1•4,9)=√0,49=0,7

4.

√54/√1,5=√(54:1,5)=√36=6