Pose et effectue les multiplications suivantes.

45 x 3 =                                       822 x 42 =

677 x 5 =                                     945 x 61 =

87 x 26 =                                     142 x 425 =

34 x 57 =                                     603 x 285 =

64 x 82 =                                     249 x 755 =

64 x 0,5 =                                     4,9 x 33 =

78 x 3,6 =                                     9,42 x 8, 2 =

5,7 x 2,4 =                                    7,9 x 2,9 =

49 x 2,8 =                                     51 x 6,42 =

38 x 7,5 =                                     70,2 x 3,6 =