Réponse :
Explications étape par étape :
a. 4/15 + (7/5 - 1/5)
4/15 + 6/5
22/15
b. (8/9 - 2/3) + 4/2
2/9 + 4/9
2/3
c. 16/15 - 2/5 - 7 / 3 + 3 / 10
32-12+70+9 / 30
33/10
d. 5 - (7/3 - 5/6)
5 - 3/2
7/2
a. 7/4 + 9/4 + 3
7+9/4 + 3
16/4 + 3
4 + 3
7
b. 8/5 + 4 - 1/5
8 - 1/5 + 4
7/5 + 4
7+20/5
27/5
c. 15/12 + 3/4 + 5/12 + 7/4
15+5/12 + 3+7/4
20/12 + 10/4
10/6+5/2
10+15/6
25/6
d. 6 - 3/8 - 3/4
48 - 3 - 6/8
39/8
a. 22/15
b.2/3
c. 33/10
d. 7/2
a.7
b.27/5
c. 25/6
d.39/8
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Réponse :
Explications étape par étape :
a. 4/15 + (7/5 - 1/5)
4/15 + 6/5
22/15
b. (8/9 - 2/3) + 4/2
2/9 + 4/9
2/3
c. 16/15 - 2/5 - 7 / 3 + 3 / 10
32-12+70+9 / 30
33/10
d. 5 - (7/3 - 5/6)
5 - 3/2
7/2
a. 7/4 + 9/4 + 3
7+9/4 + 3
16/4 + 3
4 + 3
7
b. 8/5 + 4 - 1/5
8 - 1/5 + 4
7/5 + 4
7+20/5
27/5
c. 15/12 + 3/4 + 5/12 + 7/4
15+5/12 + 3+7/4
20/12 + 10/4
10/6+5/2
10+15/6
25/6
d. 6 - 3/8 - 3/4
48 - 3 - 6/8
39/8
a. 22/15
b.2/3
c. 33/10
d. 7/2
a.7
b.27/5
c. 25/6
d.39/8