Voilà.. Dites moi si jme suis tromper.
Réponse :
1. ( 2 + ) = × 2 + ×
= +
= + meme denominateur
= =
2. × 2 + = +
=
3. + - = + -
4. ÷ ÷ ÷ = × ÷ ÷
= × ÷
= ×
= = 30
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Voilà.. Dites moi si jme suis tromper.
Réponse :
1.
( 2 +
) =
× 2 +
×
=
+ 
=
+
meme denominateur
=
= 
2.
× 2 +
=
+
=
+ 
=
3.
+
-
=
+
- 
=
= 
4.
÷
÷
÷
=
×
÷
÷
=
×
÷
=
× 
=
= 30