Sagot :
bonjour
4/5 * 5/20 - 2/3 + 1/4
= 20/100 - 2/3 + 1/4
= 2/10 - 2/3 + 1/4
= 24/120 - 80/120 + 30/120
= - 26 /120
= - 13/60
Bonjour,
4/5 * 5/20 - 2/3 + 1/4 =
(4 * 5)/(5 * 20) - 2/3 + 1/4 =
20/100 - 2/3 + 1/4 =
10/50 - 2/3 + 1/4 =
1/5 - 2/3 + 1/4 =
12/60 - 40/60 + 15/60 = -13/60.