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Problemi Simili mit-Tiftix tal-Web

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m^{2}n^{2}-1
Immultiplika u kkombina termini simili.
\left(nm-1\right)\left(nm+1\right)
Erġa' ikteb m^{2}n^{2}-1 bħala \left(nm\right)^{2}-1^{2}. Id-differenza tal-kwadrati tista' tiġi fatturata billi tuża r-regola: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\left(mn-1\right)\left(mn+1\right)
Erġa' ordna t-termini.