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Sagot :

VINS

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A = 56 x 10 ⁶ : 14 x 10 ⁻³

A =  4 x 10 ⁹

A =  4 000 000 000

B = 18 x 10  : 15 x 10 ⁵

B =  1.2  x 10 ⁻⁴

B =  0.000 12

C = 12 x 10 ⁻⁸ : 30 x 10 ⁻³

C =  0.4 x 10 ⁻⁵

C = 4 x 10 ⁻⁶

C = 0.000 0004

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