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Sagot :

Hello,

a= 2x 12.5x 50

a= 2x50x12.5

a= 100x12.5

a= 1250

b= 25x3.7x4

b= 25x4x3.7

b= 100x3.7

b= 370

c= 12x2.5x5x4

c= 4x2.5x5x12

c= 10x60

c= 600

d= 500x25x0.4x2

d= 500x2x25x0.4

d= 1000x10

d= 10000

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