Esercizi sul cubo di un binomio
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<strong>Esercizi</strong> <strong>sul</strong> <strong>cubo</strong> <strong>di</strong> <strong>un</strong> <strong>binomio</strong><br />
Calcola i seguenti cubi <strong>di</strong> binomi<br />
1. ( 2a b)<br />
=<br />
+ 3<br />
2. ( 2x + 2y)<br />
=<br />
2<br />
3. ( x y + y)<br />
=<br />
4. ( 2x 3)<br />
=<br />
− 3<br />
5. ( − a + b)<br />
=<br />
6. ( x − 2y)<br />
=<br />
7. ( − x + 3y)<br />
=<br />
8. ( a − 3b)<br />
=<br />
9. ( − a − b)<br />
=<br />
10. ( − x − 2y)<br />
=<br />
⎛ b ⎞<br />
11. ⎜2a<br />
+ ⎟ =<br />
⎝ 3 ⎠<br />
3<br />
3<br />
3<br />
3<br />
3<br />
3<br />
3<br />
3<br />
3<br />
⎛ 1 ⎞<br />
12. ⎜ x + 3y<br />
⎟ =<br />
⎝ 3 ⎠<br />
⎛ 1 2 ⎞<br />
13. ⎜ x − y⎟<br />
=<br />
⎝ 3 ⎠<br />
⎛ 1 ⎞<br />
14. ⎜ a − b⎟<br />
=<br />
⎝ 2 ⎠<br />
⎛ 1 2 ⎞<br />
15. ⎜−<br />
ab + b ⎟ =<br />
⎝ 3 ⎠<br />
⎛ 1 ⎞<br />
16. ⎜−<br />
x − 5y<br />
⎟ =<br />
⎝ 5 ⎠<br />
⎛ 1 ⎞<br />
17. ⎜−<br />
3x − y⎟<br />
=<br />
⎝ 2 ⎠<br />
3<br />
3<br />
3<br />
3<br />
3<br />
3