Explicație pas cu pas:
[tex] \bf a) \: \: {11}^{2} = 11 \cdot 11 = \green{ \underline{ \: 121 \: }}[/tex]
[tex]\bf b) \:\: 13^{2} = 13\cdot 13 = \blue{ \underline{ \: 169 \: }}[/tex]
[tex]\bf c) \:\: 7^{3} + 8^{2} =343 + 64= \purple{ \underline{ \: 407 \: }}[/tex]
[tex]\bf d) \:\: 1^{100}+ 0^{100}+4^{3} =1+0 + 64= \red{ \underline{ \: 65 \: }}[/tex]