Answered

52 Effectue les calculs suivants.
A = (-3,2) X (-10) x (+ 2) × (- 0,5)
B = (-75) × (0,25) × (+2) ×(+4)

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LADYNOIR249

Réponse:

A= (-3,2) X (-10) x (+ 2) × (- 0,5)

= - (3,2 × 10 × 2 × 0,5 )

= -(32 × 2 × 0,5)

= -(16 × 2)

= -32

B= (-75) × (0,25) × (+2) ×(+4)

= -(75 × 0,25 × 4)

= -(75 × 1 × 2)

= -150