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5^2×[4^2-(3^2×3^5÷3^4-3×7)÷2^2+12^0-1^2019​

Răspuns :

Răspuns:

5^2•[4^2-(3^2•3^5:3^4-3•7):2^2+12^0-1^2019=

=25•[16-(9•243:81-21):4+1-1

=25•[16-(2187:81-21):4+1-1

=25•[16-(27-21)]:4+1-1

=25•(16-6):4+1-1

=25•10:4+1-1

=25•2+1-1

=50+0

=50

SUCCES!!!!