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Sagot :

A = 7x4x4 = 7x 16 = 112
B = 6x4x4x4 = 6x64 = 384
b. C= 4x 5 au carré= 4x5x 5
= 4x 25 = 10
D = 10 x 5 au cube = 10x5x5x5
= 10x 125 = 1250

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