a)5-8-4+3-6+9=-1
b) 10-11+7-13+15-6=2
c)9-2-7-11+3+18-10
Explicación paso a paso:
fasiiiii
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a)5-8-4+3-6+9=-1
b) 10-11+7-13+15-6=2
c)9-2-7-11+3+18-10
Explicación paso a paso:
fasiiiii