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Sagot :

ABASCO

Réponse:

a=13x4,6÷2,3=26

a=120x7,3÷1,2=730

1)
120*7,3 : 1,2 = 730 a =730
2)
2,3/13=4,6/a
a= 13 * 4,6 : 2,3 = 26
a = 26

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