Réponse :
Bonjour
Explications étape par étape :
4/18 -1/27 -7/9
4/18 X 27/27 -1/27 X 18/18 -7/9 X 54/54
108/486 - 18/486 - 378/486
108/486 - 396/486
= 288/486 : 9/9 = 32/54 = 16/27
(2/3 - 4/3 ) x 15/16
( -2/3) X 15/16
-30/48 : 3/3 = -10/16 = -5/8
(3/10-3/5) x (2/9+1/15)
( 3/10 -3/5 X 2/2) X ( 2/9 X 15/15 + 1/15 X 9/9)
(3/10 -6/10) X ( 30/135 + 9/135)
-3/10 X 39/135
-117/ 1 350 : 9/9 = -13/150
4/5 - 1/4 = 4/5 X 4/4 -1/4 X 5/5 = 16/20 -5/20
7 -2/5 7 X 5/5 -2/5 35/5 -2/5
= 11/20 = 11/20 X 5/33 = 55/660 : 5/5 = 11/132
33/5
1 - 1/3 : 2+1/2
= 1 X 3/3 -1/3 : 2/2 +1/2
= 3/3 - 1/3 : 3/2
= 2/3 X 2/3
= 4/9
I = 11/3 - 5/3 : 7-4
I = 6/3 : 3
I = 6/3 X 1/3
I = 6/9 = 2/3
J = -9/8 x 5/-2 - 7/4 x 3/4
J = -45/-16 - 21/16
J = 45/16 (positif) -21/16
J = 24/16 = 12/8 = 6/4 = 3/2
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Réponse :
Bonjour
Explications étape par étape :
4/18 -1/27 -7/9
4/18 X 27/27 -1/27 X 18/18 -7/9 X 54/54
108/486 - 18/486 - 378/486
108/486 - 396/486
= 288/486 : 9/9 = 32/54 = 16/27
(2/3 - 4/3 ) x 15/16
( -2/3) X 15/16
-30/48 : 3/3 = -10/16 = -5/8
(3/10-3/5) x (2/9+1/15)
( 3/10 -3/5 X 2/2) X ( 2/9 X 15/15 + 1/15 X 9/9)
(3/10 -6/10) X ( 30/135 + 9/135)
-3/10 X 39/135
-117/ 1 350 : 9/9 = -13/150
4/5 - 1/4 = 4/5 X 4/4 -1/4 X 5/5 = 16/20 -5/20
7 -2/5 7 X 5/5 -2/5 35/5 -2/5
= 11/20 = 11/20 X 5/33 = 55/660 : 5/5 = 11/132
33/5
1 - 1/3 : 2+1/2
= 1 X 3/3 -1/3 : 2/2 +1/2
= 3/3 - 1/3 : 3/2
= 2/3 X 2/3
= 4/9
I = 11/3 - 5/3 : 7-4
I = 6/3 : 3
I = 6/3 X 1/3
I = 6/9 = 2/3
J = -9/8 x 5/-2 - 7/4 x 3/4
J = -45/-16 - 21/16
J = 45/16 (positif) -21/16
J = 24/16 = 12/8 = 6/4 = 3/2