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Sagot :

Réponse:

2b=2.3×6+2.3×2

b=13.8+4.6

b=18.4

c=(14-3)×2

c=11×2

c=22

d=3×9-3×4

d=27-12

d=15

a=17x(4+18)

a=17×22

a=374

3 3×4-4×2

9×7+4

2×8+2×4

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