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Sagot :

Bjr,

4/7 - (10/35 + 7/35) = 4/7 - 17/35 = 20/35 - 17/35 = 3/35

Bonsoir,

Simplifier:

E= 4/7 - (2/7 + 1/5)

E= 4/7 - (2x5+1x7)/(7x5)

E= 4/7- 17/35

E= (4x5 - 17)/35

E= 3/35

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