Bonjour
compare :
7/1000 … 80/100
80/100 = (80 x 10)/(100 x 10) = 800/1000
7 < 800 donc 7/1000 < 80/100
80/1000 … 8/100
8/100 = (8 x 10)/(100 x 10) = 80/1000
80 = 80 donc 80/1000 = 8/100
123/100 … 3/10
3/10 = (3 x 10)/(10 x 10) = 30/100
123 > 30 donc 123/100 > 3/10
19/10 … 1
1 = 10/10
19 > 10 donc 19/10 > 1
2100/1000 … 210/10
210/10 = (210 x 10)/(10 x 10) = 2100/100
2100 = 2100 donc 2100/1000 = 210/10
3 … 29/10
3 = 30/10
30 > 29 donc 3 > 29/10
