Question

Prin încercări , deducem pe x :1x2x3x4xX=216

Answer 1

1 × 2 × 3 × 4 × X = 216
1 × 2 × 3 × 4 = 216 : X
24 = 216 : X
216 : X = 24
X = 216 : 24
X = 9

Answer 2

1 x 2 x 3 x 4 x X = 216
1 x 2 x 3 x 4 = 216 : X
24 = 216 : X
X = 216 : 24
==> X = 9
==> Succes!