👤

9. Determinați ultima cifră a numerelor:
a)
[tex] {99}^{51} [/tex]

b)
[tex] {11}^{53} + {15}^{53} + {17}^{53} [/tex]

c)
[tex] {313}^{100} [/tex]

d)
[tex] {68}^{86} [/tex]

e)
[tex] {89}^{37} + {88}^{38} + {87}^{39} [/tex]

f)
[tex] {71}^{10000001} [/tex]

g)
[tex] {1009}^{9001} [/tex]

h)
[tex] {77}^{36} + {77}^{37} + {77}^{38} + {77}^{39} [/tex]