Calcul Mental
30/09/2023
MiCetF
Contact
2 s.
Calculer de 20 en 20, de 50 en 50.
0 s.
320 + 20 =
300 = 20 +
407 + 20 =
143 + 20 =
433 = 50 +
366 = 50 +
262 + 50 =
185 = 20 +
269 = 50 +
236 = 20 +
258 = 20 +
239 = 50 +
426 = 50 +
294 + 50 =
205 + 20 =
316 + 20 =
263 + 20 =
392 + 20 =
252 = 20 +
369 + 20 =
CORRIGER
ABANDONNER