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Sagot :

MITCHALEXANDRINE2314

A=(-7)×(-2)×(-2)×5×(-3,5)

=14×(-2)×5×(-3,5)

=(-28)×5×(-3,5)

=(-140)×(-3,5)

=490

B=(-0,9)(-5)(+4)(+10)(+2)

=(-0,9)×(-5)×4×10×2

=4,5×4×10×2

=18×10×2

=180×2

=360

bjr

-7 * - 2 * - 2 * 5 * -3.5 = -28 * - 17.5 = 490

-0.9 *-5 *4 * 10 *2 = 4.5 * 40 * 2 = 360

Bonne journée

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