Réponse :
1.
// -3, -2, -1, 0, +1, +2, +3 //
// -12, -10, -8, -6, -4, -2, 0, +2, +4, +6, +8 //
// -12, -9, -6, -3, 0, +3, +6 //
// -0.3, -0.2, -0.1, 0, +0.1, +0.2, +0.3, +0.4 //
// -3.7, -3.6, -3.5, -3.4, -3.3, -3.2, -3.1, -3 //
// -0.66, -0.65, -0.64, -0.63, -0.62, -0.61, -0.6, -0.59, -0.58 //
// -0.3, -0.25, -0.2, -0.15, -0.1, -0.05, 0, +0.05, +0.1 //
2.
A = +3
B = -4
C = -1
D = +7
E = +4
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F = +1.5
G = -0.5
H = +2.7
J = -2.8
K = -1.3
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L = +8
M = -4
N = -12
P = -16
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R = -3.3
S = -3.65
T = -3.55
U = -3.45
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