ESTA RESTA ES UNA SUMA
| __ | 1. | ( + 2 ) – ( - 1 ) = | | A. | ( + 3 ) + ( - 9 ) = | | __ | 2. | ( + 3 ) – ( +4 ) = | | B. | ( + 2 ) + ( + 1 ) = | | __ | 3. | ( + 3 ) – ( + 6 ) = | | C. | ( + 8 ) +( - 4 ) = | | __ | 4. | ( + 3 ) – ( + 9 ) = | | D. | ( -7 ) + ( + 1 ) = | | __ | 5. | ( + 8 ) – ( + 4 ) = | | E. | ( + 12 ) + ( + 3 ) = | | __ | 6. | ( + 11 ) – ( + 1 ) = | | F. | ( - 6 ) + ( + 4 ) = | | __ | 7. | ( + 12 ) – ( - 3 ) = | | G. | ( - 5 ) + ( + 1 ) = | | __ | 8. | ( - 5 ) – ( - 1 ) = | | H. | ( + 3 ) + ( - 6 ) = | | __ | 9. | ( - 6 ) – ( - 4 ) = | | I. | ( + 3 ) + ( -4 ) = | | __ | 10. | ( -7 ) – ( - 1 ) = | | J. | ( + 11 ) + ( - 1 ) = |
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