Question
SVP calculer en détaillant , sous forme d'écritures fractionnaires :
a. 2/3 ÷ (-5)
b. 50 ÷ 3/4
c. -3/4 ÷ -7/4
/ est egale à la barre d'une fraction
a. 2/3 ÷ (-5)
b. 50 ÷ 3/4
c. -3/4 ÷ -7/4
/ est egale à la barre d'une fraction
Asked by: USER6545
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172 Answers
Answer (172)
a. 2/3 ÷ (-5)
= 2/3 x - 1/5
= - 2/15
b. 50 ÷ 3/4
= 50 x 4/3
= 200/3
c. -3/4 ÷ -7/4
= - 3/4 x - 4/7
= 12/28
= 4 x 3 / 4 x 7
= 3/7
= 2/3 x - 1/5
= - 2/15
b. 50 ÷ 3/4
= 50 x 4/3
= 200/3
c. -3/4 ÷ -7/4
= - 3/4 x - 4/7
= 12/28
= 4 x 3 / 4 x 7
= 3/7