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Sagot :

A= 8*[18-(6+3)]
A = 8*[18- 9)
  = 8*(9)
   = 72

   B=(3.9-1.9*2)*(42+36/9) 
= (3.9- 3.8) * (42 +4)
=(0.1) * (46) = 4.6

  C= 3+35/7+8-10*0.6
=3+ 5 +8 -6
=8+8-6
16-6
10

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