Operaciones combinadas
| __ | 1. | ( 5 + 3 ) x 4 = | | A. | 72 | | __ | 2. | ( 6 + 5 ) x 5 = | | B. | 32 | | __ | 3. | ( 6 + 9 ) x 4 = | | C. | 55 | | __ | 4. | ( 7 - 3 ) + 5 = | | D. | 36 | | __ | 5. | ( 8 + 6 ) x 2 = | | E. | 28 | | __ | 6. | ( 30 - 10 ) + 5 = | | F. | 60 | | __ | 7. | ( 100 - 20) x 2 = | | G. | 9 | | __ | 8. | ( 200 + 30 ) - 50 = | | H. | 160 | | __ | 9. | 3 x ( 3 + 9 ) = | | I. | 25 | | __ | 10. | 6 x ( 3 + 9 ) = | | J. | 180 |
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