-[-(-7)-(-4)×(-2):(-¼)×(-2)-(-55)]×(-3)ma wyjść -6 ale mi nie wychodzi, prosze o pomoc pilnie.... Question from @sylwunia791

September 2018 2 14 Report

-[-(-7)-(-4)×(-2):(-¼)×(-2)-(-55)]×(-3)

ma wyjść -6 ale mi nie wychodzi, prosze o pomoc pilnie

-[-(-7)-(-4)×(-2):(-¼)×(-2)-(-55)]×(-3)=-[7-8*(-4)×(-2)+55)]×(-3)=-[7-8*8+55)]×(-3)=-[-64+62)]×(-3)=-(-2)×(-3)=2×(-3)=-6

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Paulinainaina

-[-(-7)-8:(- $\frac{1}{4}$ * (-2)-(-55)] * (-3)=

-[-(-7)+32 * (-2)-(-55)] * (-3)=

-[-(-7)-64+55] * (-3) =

-(7-64+55) * (-3) =

-(-2) * (-3) =

2 * (-3) =

-6

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