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Efectueaza 5×(50×20-12×56)-800×2

Răspuns :

5 × ( 50 × 20 - 12 × 56 ) - 800 × 2 =

5 × ( 1000 - 672 ) - 1600 =

5 × 328 - 1600 =

1640 - 1600 = 40
Salut,

5×(50×20-12×56)-800×2=

=5×(1000-672)-1600=

=5×328-1600=

=1640-1600=

=40

[tex]by \\ 7646[/tex]