Calcul Mental
17/01/2026
MiCetF
Contact
10 s.
Calculer de 20 en 20, de 50 en 50.
0 s.
245 + 20 =
409 = 50 +
130 = 50 +
252 = 50 +
360 = 50 +
271 + 20 =
114 = 50 +
152 + 20 =
113 = 50 +
341 + 50 =
368 + 20 =
311 = 20 +
219 + 20 =
145 = 20 +
350 = 20 +
213 + 20 =
230 = 50 +
357 + 20 =
318 + 20 =
229 = 20 +
CORRIGER
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