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cat e( 7 la puterea 4 +7 la puterea 5) ×49​

Răspuns :

(7⁴+7⁵) × 49 =

= (2401+16807) × 49=

=19208× 49=

=941.192

sper ca te-am ajutat!

 

[tex]\displaystyle\bf\\(7^4 +7^5)\times49=\\\\=7^4(1 +7)\times7^2=\\\\=8\times7^4\times7^2=\\\\=8\times7^{4+2}=\boxed{\bf8\times7^{6}}[/tex]