Calcul mental
calcul mental - création de Sabrina
24 + 24 = 48
+
= 38 ====>
=
+
= 46 ====>
=
+
= 84 ====>
=
+
= 52 ====>
=
+
= 68 ====>
=
+
= 120 ====>
=
+
= 66 ====>
=
Correction
OK
Calcul mental