Bonjour,
4)
a. 0,3 = 3/10
b. 0,25 = 25/100
c. 1,4 = 14/10
d. 0,75 = 75/100
5)
a. 10/120 = 1/12
b. 44/24 = 22/12
c. 11/3 = 44/12
d. 23/6 = 46/12
e. 45/36 = 15/12
f. 40/240 = 2/12
6)
a. 3/4 x 12 = 36/4 = 9
b. 8 x 10/4 = 80/4 = 20
c. 5/9 x 18 = 90/9 = 10
7)
500 x 9/10 = 450
Amélie a déjà placé 450 pièces du puzzle.
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Bonjour,
4)
a. 0,3 = 3/10
b. 0,25 = 25/100
c. 1,4 = 14/10
d. 0,75 = 75/100
5)
a. 10/120 = 1/12
b. 44/24 = 22/12
c. 11/3 = 44/12
d. 23/6 = 46/12
e. 45/36 = 15/12
f. 40/240 = 2/12
6)
a. 3/4 x 12 = 36/4 = 9
b. 8 x 10/4 = 80/4 = 20
c. 5/9 x 18 = 90/9 = 10
7)
500 x 9/10 = 450
Amélie a déjà placé 450 pièces du puzzle.