Calcule le plus rapidement possible, ton temps est compté, tu as 45 secondes

3 x 15	=			10,5 x 100	=
13 x 11	=			10 x 15	=
8 x 7	=			40 x 4	=
38 x 2	=			0,1 x 10	=
12 x 4	=			2 x 19	=