Răspuns :

Crintina72id

Răspuns:

Salutare!

[tex](7 {}^{9} ) {}^{4} \div 7 {}^{34} - 7 = \\ 7 {}^{9 \times 4} \div 7 {}^{34} - 7 = \\ 7 {}^{36} - 7 {}^{34} - 7 = \\ 7 {}^{36 - 34} - 7 = \\ 7 {}^{2} - 7 = \\ 49 - 7 = \\ 42[/tex]

#Baftă!

Giorgianairina18id
(7^9)^a4/7^(37-7)=
=7^9*4a/7^30
=7^36a/7^30
=7^36a-30

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