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Sagot :

Ex 1) a) 3-4/7+1/2=3-8-7/14=3-1/14=2/14=1/7
b)5/3/4+1/2= 5/10-4/8=6/8=3/4 4*4/3=20/3
a) 3-4/7+1/2=3-8-7/14=3-1/14=2/14=1/7

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