Question

completeaza :
4×3^6+7×3^7 =( )^2
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Answer 1

Răspuns:

4×3^6 + 7×3^7 =( )^2

3^6(4+7x3)

=3^6 x 25

=3^3x2 x  5^2

=(3^3 x  5)^2

=(27x5)^2

=135^2