4 x 4 =
6 x 6 =
9 x 7 =
9 x 11 =
6 x 8 =
5 x 3 =
5 x 7 =
8 x 8 =
10 x 10 =
7 x 7 =
( 4 x 4 ) + ( 2 x 4 ) + 1 =
( 9 x 9 ) + ( 2 x 9 ) + 1 =
( 8 x 8 ) + ( 2 x 8 ) + 1 =
( 7 x 7 ) + ( 2 x 7 ) + 1 =

 

calcul mental 54 calcul mental 54 calcul mental 54
( 3 x 7 ) + =
( 6 x ) + =
( x ) + 3 =
     
( 6 x 7 ) + 5 =
( 5 x 6 ) + 4 =
( 3 x 9 ) + 5 =
( 4 x 9 ) + 4 =
4 + ( 7 x 5 ) =
( 4 x 7 ) + 4 =
( 3 x 10 ) + 7 =
0 + ( 8 x 8 ) =
( 5 x 6 ) + 2 =
( 1 x 8 ) + 7 =
( 6 x 6 ) + 5 =
( 10 x 3 ) + 2 =
76 = ( 9 x 8 ) +
65 = ( 9 x ) + 2
65 - 2 = x 7
54 = ( 6 x 9 ) +
47 = ( 5 x ) + 2
47 - 2 = x 5
50 = ( 7 x 7 ) +
39 = ( 6 x ) + 3
39 - 3 = 4 x
45 = ( 5 x 8 ) +
26 = ( 3 x ) + 2
28 - 3 = x 5