Calcul Mental
11/10/2026
MiCetF
Contact
10 s.
Calculer de 20 en 20, de 50 en 50.
0 s.
272 = 20 +
305 + 20 =
124 = 50 +
231 + 20 =
276 = 50 +
296 + 50 =
163 + 20 =
149 + 50 =
128 = 50 +
148 + 20 =
101 = 20 +
262 + 20 =
135 = 20 +
322 + 20 =
310 + 50 =
211 = 20 +
219 + 50 =
120 + 20 =
252 = 50 +
373 = 20 +
CORRIGER
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