October 2018 2 21 Report
1) 6+3•52-4=

a. 225
b. 221
c. 189
d. 77

2) La solución a la ecuación 5(-x+3)+9= 2(x+2)-1 es:
a. x=-3
b. x=-2
c. x=2
d. x=3

3)El resultado de 8{-1+5(4-6)-7[-9+(-3)(-2)]}-20 es igual a:
a. 60
b. 100
c. 70
d. 110
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