::GymQuiz-24::
demo1
box1+
Simplifier (additions et multiplications)
box2
box3
box4
Simplifier (additions et multiplications) ⟳
✔ 4a + y + b - y ➡ 4a + b
✔ 3a × 4 + 2 ➡ 12a + 2
✔ 5a + 3b - 7a + 8a ➡ 6a + 3b
✔ 4 (9a) - 3 (5a) ➡ 21a
✔ 5b - 2a(4) + 3(3c) ➡ -8a + 5b + 9c