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Answered

Bonjour merci de voir si c est bon
B=25/8*(23/4-13*27/19)/23/4-13*27/19÷35/8
B=25/8 - 35/8 = - 10/8 simplifier ce résultat -10/8= -5/4

E=(1-1/2)(1-2/2)(1-3/2)(1-4/2)(1-5/2)(1-6/3)/1-1/2
E= 0/1/2=0*1/2=0
MERCI DE ME CORIGER

Sagot :

JONNY95
E= 0 evidemment car 1-2/2 = 1-1 = 0
TELEPHONE16
B = 25/8 (23/4 - 13 X 27/19) = 25/8 (23/4 - 351/19) = 25/8 ( 437/76 - 1404/76)
      23/4 -13 X 27/19 : 35/8     23/4 - 351/19 :35/8     23/4 -351/19 X 8/35

25/8 (- 967/76)  = 1900/608 - 24 175/608    = - 22275/608   
23/4 - 2808/665   15295/2660 - 11232/2660    4063/2660

E = (1-1/2)(1-2/2)(1-3/2)(1-4/2)(1-5/2)(1-6/3) = 0
        1-1/2

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