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Exercice 2:
Calculer en utilisant la distributivité
a) Développer :
A = 5x(300 -1) =
B= (10 + 3) x6 =
C = 15+ 3x(9-2) =
b) Factoriser:
D = 17x13,6 + 17x6,4
E = 162x9,83 -9,83x62

Aider moi à le résoudre svp​

Sagot :

Hello

A = 5*300 -5 * 1 = 15000 - 5 = 14995

B = (10+3) * 6 = 10*6 + 3*6 = 60 + 18 = 78

C = 15 + 3 * 9 - 2 * 3 = 15 + 27 - 6 = ...

D = 17 ( 13.6 + 6.4 ) = 17 ( 20) = 17*20 = ...

E = 9.83 ( 162 - 62 ) = ....

bonne journée

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