brainboy97 brainboy97

09-08-2017
Mathematics

contestada

7^2•3^2+(1+2)^0•3-4^2•1

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choixongdong choixongdong

09-08-2017

7^2•3^2+(1+2)^0•3-4^2•1
= 49•9 + 1•3 - 16•1
= 441 + 3 - 16
= 428

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