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Exercice 26
Calcule:

A 1-6 + (-3-7) x2]-[-9,5 x (1 +8}]
B = [4,4+ (6,5) x 3) - (+3 x 9) + 13]
C = [(-8 x 4) + (6 × 3)) + 16
D
[(4312) X 2) + (0,06 × 3)
E = 6 x 6-12 + 18-3x5
F = 19 + 3 x 5-4 × 0,25
G=6x8+ 13 x 2 - 40
H = -40 - 5 x 6 x 11+ 4x9
1 = 9,6+4-1-4-6,2 × 10 + 6
J = 403 + 205 × 2 - 405
K = 4ab-6a+7
L = 7 ab- 6b+8a-10
M = -4(2a + b) + 6-7blab - a)
On calculera K, L, M pour a = -1 et b = 2
puis pour a = 0 et b = 1,8.

Exercice 26 Calcule A 16 37 X295 X 1 8 B 44 65 X 3 3 X 9 13 C 8 X 4 6 3 16 D 4312 X 2 006 3 E 6 X 612 183x5 F 19 3 X 54 025 G6x8 13 X 2 40 H 40 5 X 6 X 11 4x9 1 class=

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