Răspuns:
1.
B.)
[tex] \sqrt{1} = 1[/tex]
H.)
[tex] \sqrt{11 \frac{1}{9} } = \sqrt{ \frac{100}{9} } = \frac{10}{9} [/tex]
D.)
[tex]( \sqrt{3.2} ) {}^{2} = 3.2[/tex]
3.
B.)
[tex]4 \sqrt{16} - 2 \sqrt{81} = 4 \times 4 - 2 \times 9 = 16 - 18 = - 2[/tex]
D.)
[tex]5 \sqrt{ \frac{36}{25} } = 5 \times \frac{6}{5} = 6[/tex]
F.)
[tex]1 \sqrt{ \frac{4}{7} } \times \sqrt{4900} = \frac{11}{7} \times 10 = 11 \times 10 = 110[/tex]
SUCCES!!!<3
