¿Cuánto vale la incógnita?
| __ | 1. | 3+u=10 | | A. | 42 | | __ | 2. | 4+z=14 | | B. | 7 | | __ | 3. | 4x+6=34 | | C. | 10 | | __ | 4. | 5u=40 | | D. | 412 | | __ | 5. | 11h=33 | | E. | 8 | | __ | 6. | 12m=96 | | F. | 1535 | | __ | 7. | 15y=45 | | G. | 3 | | __ | 8. | 23+x=65 | | H. | 3 | | __ | 9. | 365+y=1900 | | I. | 8 | | __ | 10. | k-178=234 | | J. | 7 |
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