CALCUL RÉFLÉCHI

+ 11 et – 11

 

Cache les réponses et entraîne-toi.

Ajouter 11, c’est ajouter 10 puis ajouter 1

24 + 11 =                                                                                                                                                                          35

82 + 11 =                                                                                                                                                                          93

26 + 11 =                                                                                                                                                                          37

35 + 11 =                                                                                                                                                                          46

46 + 11 =                                                                                                                                                                          57

42 + 11 =                                                                                                                                                                          53

35 + 11 =                                                                                                                                                                          46

54 + 11 =                                                                                                                                                                          65

45 + 11 =                                                                                                                                                                          56

73 + 11 =                                                                                                                                                                          84

Soustraire 11, c’est soustraire 10 puis soustraire 1

 

 

 

45 – 11 =                                                                                                                                                                          34

56 – 11 =                                                                                                                                                                          45

58 – 11 =                                                                                                                                                                          47

69 – 11 =                                                                                                                                                                          58

26 – 11 =                                                                                                                                                                           15

67 – 11 =                                                                                                                                                                          56

96 – 11 =                                                                                                                                                                          85

48 – 11 =                                                                                                                                                                          37