ESTA RESTA ES UNA SUMA
__1. ( + 2 ) – ( - 1 ) =A. ( + 3 ) + ( - 9 ) =
__2. ( + 3 ) – ( +4 ) =B. ( + 8 ) +( - 4 ) =
__3. ( + 3 ) – ( + 6 ) =C. ( + 3 ) + ( - 6 ) =
__4. ( + 3 ) – ( + 9 ) =D. ( + 2 ) + ( + 1 ) =
__5. ( + 8 ) – ( + 4 ) =E. ( -7 ) + ( + 1 ) =
__6. ( + 11 ) – ( + 1 ) =F. ( + 11 ) + ( - 1 ) =
__7. ( + 12 ) – ( - 3 ) =G. ( + 12 ) + ( + 3 ) =
__8. ( - 5 ) – ( - 1 ) =H. ( - 5 ) + ( + 1 ) =
__9. ( - 6 ) – ( - 4 ) =I. ( + 3 ) + ( -4 ) =
__10. ( -7 ) – ( - 1 ) =J. ( - 6 ) + ( + 4 ) =
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