II gimnazjum

Matematyka wokół nas 2

Zapisujemy ostatnie cyfry kolejnych potęg 7: 71−&gt;7 72−&gt;49−&gt;9

(323)23=(323)8=323⋅8=3224=(25)24=25⋅24=2120

[(31​)−2]3=[32]3=32⋅3=36

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