Răspuns:
1.
b)
8+25=33
9-8=1
16×25=400
64:4=16
9×7-1=62
c)
[tex]4 = {2}^{2} [/tex]
[tex]64 = {2}^{6} [/tex]
[tex]16 = {2}^{4} [/tex]
[tex]1 = {2}^{0} [/tex]
[tex]8 = {2}^{3} [/tex]
[tex] {4}^{2} = ( {2}^{2} )^{2} = {2}^{4} [/tex]
[tex] {8}^{3} = ( {2}^{3} )^{3} = {2}^{9} [/tex]
[tex] {64}^{5} = ( {2}^{6} )^{5} = {2}^{30} [/tex]
d)
[tex]1 = {3}^{0} [/tex]
[tex]81 = {3}^{4} [/tex]
[tex]9 = {3}^{2} [/tex]
[tex] {27}^{5} = ( {3}^{3} )^{5} = {3}^{15} [/tex]
[tex] {9}^{16} = ( {3}^{2} )^{16} = {3}^{32} [/tex]
[tex] {81}^{14} = ( {3}^{4} )^{14} = {3}^{56} [/tex]