T designe un nombre relatif
A = 2-(t- 3) + 4(t-1)
B= 5(t+1) - 2(t+2)
C= t(t+2) - t(t-1) +1
D =2/3 (2/3 t2 + 9/2 t) +t2
Ces quatres expressions ont elles la meme forme réduite ?
A = 2-(t- 3) + 4(t-1)
B= 5(t+1) - 2(t+2)
C= t(t+2) - t(t-1) +1
D =2/3 (2/3 t2 + 9/2 t) +t2
Ces quatres expressions ont elles la meme forme réduite ?
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=3t+1
B= 5(t+1) - 2(t+2)
=3t+1
C= t(t+2) - t(t-1) +1
=3t+1
D =2/3 (2/3 t² + 9/2 t) +t²
=13/9.t²+3t
donc A=B=C