December 2018 1 18 Report
Encuentra y corrige el error en las siguientes adiciones de números enteros.

a. -13 + 46 + (-17) + 8 + (+5)

= -13 + (-17) + 46 + 5 + 8

=30+ 59

= 89

b. -45 + 4 +(-7) + 8 + (-5)

= 4 +8 (-45) + (-7) + (-5)

= -12 + 57

= - 45

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