Răspuns:
a)
[tex] \sqrt{6 {}^{2} } \times 3 = \sqrt{36} \times 3 = \sqrt{78} [/tex]
b)
[tex] \sqrt{5 {}^{2} } \times 5 = \sqrt{25} \times 5 = \sqrt{125} [/tex]
c)
[tex] \sqrt{9 {}^{2} } \times 2 = \sqrt{81} \times 2 = \sqrt{162} [/tex]
d)
[tex] \sqrt{4 {}^{2} } \times 7 = \sqrt{16} \times 7 = \sqrt{112} [/tex]
e)
[tex] \sqrt{5 {}^{2} } \times 6 = \sqrt{25} \times 6 = \sqrt{150} [/tex]
f)
[tex] \sqrt{7 {}^{2} } \times 3 = \sqrt{49} \times 3 = \sqrt{157} [/tex]
g)
[tex] \sqrt{6 {}^{2} } \times 5 = \sqrt{36} \times 5 = \sqrt{180} [/tex]
h)
[tex] \sqrt{5 {}^{2} } \times 7 = \sqrt{25} \times 7 = \sqrt{175} [/tex]
