On considère l’expression : E = (x – 1)(x – 2) – (x – 3)²
1) Développer et réduire E.
2) Com...
Mathematics, 07.02.2022 14:30 TH3L0N3W0LF
On considère l’expression : E = (x – 1)(x – 2) – (x – 3)²
1) Développer et réduire E.
2) Comment peut-on en déduire, sans calculatrice, le résultat de : 999 * 998 – 997².
Answers: 3
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