leamarie
Merci beaucoup, bonne journée également :)
maudmarine
A = 45/8 + 14/45 x 63/56 A = 45/8 + 14 x 63 45 x 56 A = 45/8 + 882/2520 A = 45 x 315 / 8 x 315 + 882/2520 A = 14175/2520 + 882/2520 A = 15057/2520 A = 63 x 239 / 63 x 40 A = 239/40
B = 2/3 x 1/8 5/6 - 3/4 B = 2/24___________ 5 x 4 / 6 x 4 - 3 x 6 / 4 x 6 B = 2/24__ 20/24 - 18/24 B = 2/24 2/24 B = 2/24 : 2/24 B = 2/24 x 24/2 B = 2 x 24 24 x 2 B = 48/48 B = 1
C = (- 2 x 3/5 + 4 x 8/10) x 1/2 C = (- 2 x 3 + 4 x 8) x 1/2 5 10 C = (-6/5 + 32/10) x 1/2 C = (- 6 x 2 / 5 x 2 + 32/10) x 1/2 C = ( - 12/10 + 32/10) x 1/2 C = 20/10 x 1/2 C = 20 x 1 10 x 2 C = 20/20 C = 1
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Verified answer
Bonne journée.
A = 45/8 + 14 x 63
45 x 56
A = 45/8 + 882/2520
A = 45 x 315 / 8 x 315 + 882/2520
A = 14175/2520 + 882/2520
A = 15057/2520
A = 63 x 239 / 63 x 40
A = 239/40
B = 2/3 x 1/8
5/6 - 3/4
B = 2/24___________
5 x 4 / 6 x 4 - 3 x 6 / 4 x 6
B = 2/24__
20/24 - 18/24
B = 2/24
2/24
B = 2/24 : 2/24
B = 2/24 x 24/2
B = 2 x 24
24 x 2
B = 48/48
B = 1
C = (- 2 x 3/5 + 4 x 8/10) x 1/2
C = (- 2 x 3 + 4 x 8) x 1/2
5 10
C = (-6/5 + 32/10) x 1/2
C = (- 6 x 2 / 5 x 2 + 32/10) x 1/2
C = ( - 12/10 + 32/10) x 1/2
C = 20/10 x 1/2
C = 20 x 1
10 x 2
C = 20/20
C = 1