September 2018 1 70 Report
Resolver las siguientes opreaciones combinadas
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a) -7+(1.3(-2).3+6÷2)+(3-34+6-7)
3

b) 1 +{-3[-6÷3+4.2]+28+4.3}÷(-1
- -
23 4

c) { [((- 3 ) ·(2))÷(7+(-11)+3)]-4}+6

d)-16 ÷4(4+2-3)-2-4÷2

e){2²-3[(4+6-3)² (7-3-6)²]²}"-3
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