(-2 1/2) x 8 - (-5) x (-2/15)= ???? Proszę o szybką odpowiedź.... Question from @ikaz

October 2018 2 15 Report

(-2 1/2) x 8 - (-5) x (-2/15)= ???? Proszę o szybką odpowiedź

bysia242

(-2 1/2) x 8 - (-5) x (-2/15)=1x8-(-5)x(-2/15)= 8+5x(-2/15)=13x(-12/15)=13/1x(-12/15)=-106/15=7 1/15

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kajadara

(-2i1/2) *8 -(-5) *(-2/15) =

( -5/2) * 8 - (-1) *(-2/3) =

( -5/1) * 4 - (2/3) =

-20 - 2/3 = -20 i 2/3

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