December 2018 2 157 Report
Realiza las operaciones y escribe el valor absoluto de cada resultado en los circulos de la figura1 de tal manera que la suma de cada lado sea 20
a. 9-[(240+220)·(19-19)]
b. 29-20+14-19
c. (-25-17+40)+(35-16-20)
d. 2+5+8-7-3
e.3·4+(6+5-13)-12÷4
f.(-25+18-45+12)÷(26-20+46-32)
g. 35-24-35+23
h.(2·4+10)÷(6-3)
i.(2·4-4)·(6-4)

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