::GymQuiz-22::
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Développer
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Développer ⟳

✔ 2(a+3) ➡ 2a + 6
✔ 5(y-4) ➡ 5y - 20
✔ -2× (b + 5) ➡ -2b - 10
✔ t(t+2) ➡ t2 + 2t
✔ e(3-e) ➡ 3e - e2
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