(7) - (-15)= (+2) + (-1)= (4) + (-10)= (-2) + (-5)= (-8) + (-9)= (+8) - (-2)= (-6)-(4)= (+4) + (-5)=.... Question from @MVale0809

February 2023 1 6 Report

(7) - (-15)= (+2) + (-1)= (4) + (-10)= (-2) + (-5)= (-8) + (-9)= (+8) - (-2)= (-6)-(4)= (+4) + (-5)= (10)-(-9)= ( +10)-(-4)=

Respuesta:

Explicación paso a paso:

a) (-15)+(+7)-(-4)+(+2)

-15+7+4+2

-15 + 13

=-2

b) (+9)-(+5)+(-4)-(-10)-(+6)

+9-5-4+10-6

agrupamos

19 - 15

= 4

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