Question 1
9x9 = ?
72
81
90
Question 2
7x4 = ?
28
21
35
Question 3
5x5 = ?
30
35
25
Question 4
8x7 = ?
56
64
48
Question 5
5x7 = ?
40
35
30
Question 6
10x10 = ?
90
95
100
Question 7
9x6 = ?
54
63
45
Question 8
2.5x7 = ?
18.5
16.5
17.5
Question 9
7x5x2 = ?
70
75
80
Question 10
5x4 = ?
15
20
25
Question 11
9x9x9 = ?
728
729
730
Question 12
10x10x10 = ?
100
10 000
1000
Question 13
7x8x2 = ?
111
112
113
Question 14
7x4x9 = ?
252
253
254
Question 15
8x5x4 = ?
158
159
160
Commentaires
CONSEIL: met un chronometre pour les calculetes