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EDASZNNN612
Answered

Calculer puis simplifier si possible
A)3/7
B)7/3-5/12
C)3/35+3/5
D)7/9-25/54
E)29/40-3/10
F)2+3/5
G)3-7/4
H)5/6+5
merci beaucoup en avance et bonne soirée ​

Sagot :

Bonsoir,

A)3/7

B)7/3-5/12

= 28/12 -5/12

= 23/12

C)3/35+3/5

3/35 + 21/35

= 24/35

D)7/9-25/54

= 42/54  -25/54

= 17/54

E)29/40-3/10

= 29/40 - 12/40

= 17/40

F)2+3/5

10/5 + 3/5

= 13/5

G)3-7/4

= 12/4 -7/4

= 5/4

H)5/6+5

5/6 + 30/6

= 35/6

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