Calcul Mental
29/03/2024
MiCetF
Contact
2 s.
Calculer de 20 en 20, de 50 en 50.
0 s.
261 + 20 =
434 = 50 +
437 + 50 =
206 + 20 =
310 + 20 =
389 + 50 =
371 = 20 +
333 + 20 =
441 + 50 =
386 = 20 +
215 = 20 +
119 + 50 =
110 + 50 =
267 = 20 +
397 + 20 =
379 + 50 =
297 + 20 =
160 = 50 +
144 + 20 =
254 + 50 =
CORRIGER
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