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Sagot :

A=5(14,7+3,25)=5(17.85)=89.75
ou A=5*14.7+5*3.25=89.75

B=(2,1+13,7-4)7,3=(11.8)7.3=86.14
ou B=2.1*7.3+13.7*7.3-4*7.3=86.14
Bonsoir

A=5(14,7+3,25)
A = 5 x 17.95 = 89.75
A = (5 x 14.7) + (5 x 3.25)
A = 73.5 + 16.25 = 89.75


B=(2,1+13,7-4)7,3

B = 11.8 x 7.3 = 86.14
B = (7.3 x 2.1) + (7.3 x 13.7) - (7.3 x 4)
B = 15.33 + 100.01 - 29.2 = 86.14

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