August 2018 2 23 Report
Simplifica las siguientes expresiones:

a. (-3) (-5) ÷ (-2)
b. -5 -3 (3-7)
c. [5-2 (4-1)]
d. {9-2 [(3+1) - (1+2) ] } + 3
e. 3/5 . (5/9)
f. (-8)/2 - (-5)(3)
g. (-2)(-3)(-1) - -187(-2)(3)
h. (-3/4 . 2/15) + (-2/5 ÷ 4/15)
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