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Va rog mult sa ma ajutati❤️❤️❤️

Va Rog Mult Sa Ma Ajutati class=

Răspuns :

[tex]2 ^{9} \times 7^{9} = 14 ^{9} \\ 5 ^{12} \times 3^{12} = 15 ^{12} \\ 7 ^{21} \times 5 ^{21} = 35 ^{21} \\ 20 ^{15} \div 4 ^{15} = 5 ^{15} \\ 35 ^{36} \div 7 ^{36} = 5 ^{36} \\ 21 ^{31} \div 3 ^{31} = 7 ^{31} [/tex]