Réponse:
figure 1 :
6×X=6x
2×3=6
2×3X=6x
6X+6+6X=6(2X+1)
figure 2 :
(2X+1)×6=6(2x+1)
donc A¹=A²
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Réponse:
figure 1 :
6×X=6x
2×3=6
2×3X=6x
6X+6+6X=6(2X+1)
figure 2 :
(2X+1)×6=6(2x+1)
donc A¹=A²