Bonjour
Exercice 16
A/ 2/9x 5/4 = 10/36 = 5/18
B/ 11 x4/11 = 44/11 = 4
C/. 11/4 x 1/11 = 11/44 = 1/4
D /. 4/2 x 4/3 = 16/6 = 8/3
A 5/3( 60/80+ 20/80 = 5/3(80/80 = 5/3(1) = 5/3
B. (7/3 - 2 x 2/3) x 5 = (7/3 -4/3) x 5 = 3/3x 5 = 1x 5 = 5
exercice 15
A=2/9 :4/5
A=2/9 x 5/4
A=10/36
A=5/18
B=11:11/4
B=11x4/11
B=44/11
B=4
C=11/4:11
C=11/4 x 1/11
C=11/44
C=1/4
D=4/2:-3/4
D=4/2 x -4/3
D=-16/6
D=-8/3
A=5/3 x (3/4+20/80)
A=5/3 x (3/4+10/40)
A=5/3 x (30/40+10/40)
A=5/3 x 40/40
A=5/3 x 1
A=5/3
B=(7/3-6/7x14/9):1/5
B=(7/3-(2x3)/7x (7x2)/(3x3):1/5
B(7/3-(2x2)/3):1/5
B=(7/3-4/3):1/5
B=3/3:1/5
B=1:1/5
B=5
Exercice 17
3/4+9/4=12/4=3
5/4+1=5/4+4/4=9/4
3-5/2=6/2-5/2=1/2
2x4/3=8/3
3/4x1/5=3/20
5/3:2=5/3x1/2=5/6
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Verified answer
Bonjour
Exercice 16
A/ 2/9x 5/4 = 10/36 = 5/18
B/ 11 x4/11 = 44/11 = 4
C/. 11/4 x 1/11 = 11/44 = 1/4
D /. 4/2 x 4/3 = 16/6 = 8/3
Exercice 16
A 5/3( 60/80+ 20/80 = 5/3(80/80 = 5/3(1) = 5/3
B. (7/3 - 2 x 2/3) x 5 = (7/3 -4/3) x 5 = 3/3x 5 = 1x 5 = 5
Verified answer
Bonjour
exercice 15
A=2/9 :4/5
A=2/9 x 5/4
A=10/36
A=5/18
B=11:11/4
B=11x4/11
B=44/11
B=4
C=11/4:11
C=11/4 x 1/11
C=11/44
C=1/4
D=4/2:-3/4
D=4/2 x -4/3
D=-16/6
D=-8/3
Exercice 16
A=5/3 x (3/4+20/80)
A=5/3 x (3/4+10/40)
A=5/3 x (30/40+10/40)
A=5/3 x 40/40
A=5/3 x 1
A=5/3
B=(7/3-6/7x14/9):1/5
B=(7/3-(2x3)/7x (7x2)/(3x3):1/5
B(7/3-(2x2)/3):1/5
B=(7/3-4/3):1/5
B=3/3:1/5
B=1:1/5
B=5
Exercice 17
3/4+9/4=12/4=3
5/4+1=5/4+4/4=9/4
3-5/2=6/2-5/2=1/2
2x4/3=8/3
3/4x1/5=3/20
5/3:2=5/3x1/2=5/6