Question
bonjour
CALCULER PUIS SIMPLIFIER SI POSSIBLE
A. 4/3-(1/3+2/3) B. 18/7-(11/7-5/7)
C. 14/5-2/5+8/5 D. 23/8-3/4-1/2
CALCULER PUIS SIMPLIFIER SI POSSIBLE
A. 4/3-(1/3+2/3) B. 18/7-(11/7-5/7)
C. 14/5-2/5+8/5 D. 23/8-3/4-1/2
Asked by: USER4282
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202 Answers
Answer (202)
Bonjour,
Calculer puis simplifier si possible :
A. 4/3-(1/3+2/3)
= 4/3 - 1/3
= 3/3
B. 18/7-(11/7-5/7)
= 18/7 - 6/7
= 11/7
C. 14/5-2/5+8/5
= 22/5 - 2/5
= 20/5
= 5 x 4 / 5 x 1
= 4
D. 23/8-3/4-1/2
= 23/8 - 3 x 2 / 4 x 2 - 1 x 4 / 2 x 4
= 23/8 - 6/8 - 4/8
= 23/8 - 10/8
= 13/8
Calculer puis simplifier si possible :
A. 4/3-(1/3+2/3)
= 4/3 - 1/3
= 3/3
B. 18/7-(11/7-5/7)
= 18/7 - 6/7
= 11/7
C. 14/5-2/5+8/5
= 22/5 - 2/5
= 20/5
= 5 x 4 / 5 x 1
= 4
D. 23/8-3/4-1/2
= 23/8 - 3 x 2 / 4 x 2 - 1 x 4 / 2 x 4
= 23/8 - 6/8 - 4/8
= 23/8 - 10/8
= 13/8