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Sagot :

Bonjour

A = -2 * 3.6 * 5

A = - 2 * 5 *3.6

A = -10 * 3.6

A = - 36

B = -0.07 * 50 * -2

= -0.07 * -100

= 7

Bonne journée

MAUDMARINE

Bonjour

Calculer astucieusement

A = (-2) x (+3,6) X5

A = (- 2) x 5 x (+ 3,6)

A = - 10 x (+ 3,6)

A = - 36

B = (-0,07) x (+50) x(-2)​

B = (+ 50) x (- 2) x (- 0,07)

B = (- 100) x (- 0,07)

B = 7.

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