vinschupachups31620

bonsoir

1) 2/5 * 90/3 = 180/15 = 12

2)  3/4 x  56/2 = 3/4 x  28 = 21

3 )  1/2 * 1/3  / 1/4 * 72 =  3/24 * 72 = 9

4 = 1/10 * 1/10 * 10 = 2/10 * 10 = 20/10 =  2

5 ) 2 * 1/4 * 2 = 4 *1/4 = 4/4 = 1