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Bonjour, je dois calculer : ( V : racine carré ) A = 3V45 + 2V20 - 4V80 B = V18 x V8 x V50 Merci

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WINNER123

Bonjour

 

A = 3V45 +2V20-4V80

A = 3V 5x3² +2V 5x2² -4V 5X4²

A = 9V5 +4V5 -16V5 = 13V5 - 16V5 = -3V5

 

B = V18 x V8 xV50 = V18 x 8x50 = V 7200  = 10V72 = 10V8x3² = 30V8