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Sagot :

Bonjour,

1C + 1P = 200g

500 +1C = 320 + 1P

1P = 200 -1C

500 +1C = 320 +200 -1C

500+1C = 520 - 1C

1C + 1C = 520 - 500

2C =20

1C = 20/2 = 10

1C+ 1P =200

1P = 200 -10

1P = 190

=>

cerise: 10g

poire:190g

vérif

1° balance

200 = 10 +190

2° balance

500 + 10 =320 + 190

510 =510

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