September 2023 1 7 Report
supresión de paréntesis

a. +(+5)-(+3) =
b. -(+8)-(-4) =
c. -(-2)+(-5) =
g. -7+(-8+3)-10 =
h. -(5+4-3)+6-9 =
d. +(-9)-(-9) =
e. +(+1)+(-6) =
f. -(-7)-(-8) =
i. 12-(-8+15-3+7) =
j. 6+(-11+5-4)-(8-5) =

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