March 2023 1 10 Report
Resuelve las siguientes operaciones: demuestre proceso
a) 82 +182 + 72 - 32 =
b) 64 +22 + 46 - 12 =
c) ( 84 +52 ) - ( 72 + 66 ) =
d) 65 + 110 + 48 - 52 =
e) ( 123 - 55 ) + ( 212 + 46 ) =

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