Calcul Mental
23/04/2024
MiCetF
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-INF s.
Calculer de 20 en 20, de 50 en 50.
0 s.
386 + 20 =
404 = 50 +
352 + 20 =
418 = 20 +
211 + 50 =
262 = 20 +
257 + 50 =
349 = 50 +
214 + 50 =
185 + 50 =
328 + 50 =
432 = 50 +
369 = 20 +
329 = 20 +
193 = 50 +
441 = 50 +
182 + 50 =
170 + 50 =
294 = 20 +
202 + 50 =
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