Question

 Simplificar:

11. M = +12 + 39 + 42 + 83 =

12. N = 981 + 1293 + 1939 =

13. O = -491 – 490 – 992 =

14. Q = -582 – 583 – 592 =

15. R = -672 – 693 – 963 =

Answer 1

Respuesta:

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Answer 2

5. M = +12 + 39 + 42 + 83 =+176

6. N = 981 + 1293 + 1939 =+4213

7. O = -491 – 490 – 992 = -1973

8. Q = -582 – 583 – 592 = -1757

9. R = -672 – 693 – 963 = -2328