Operaciones con NĂºmeros enteros
__1. (-3)+5A. 2
__2. (-23)+(-22)B. 34
__3. (-31)+5C. 14
__4. 8-(-6)D. -45
__5. 43+(-9)E. -26
__6. (-4)-9A. -12
__7. (-7)+(-5)B. -13
__8. (-34)+14C. 25
__9. 15-(-9)D. -20
__10. 22-(-3)E. 24
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