Sagot :
Bonjour
la A il manque un signe
B = (7-2)/3 + 6/5
B = 5/3 + 6/5
B = 5*5/3*5 + 6*3/5*3
B = 25/15 + 18/15
B = 43/15
Bonsoir,
3/4+7/4 * 2/5 = 10/4 *2/5 = 20/20 = 1
et
B =7/3 - 2/3 + 6/5
5/3 +6/5 =
25/15 + 18/15 = 43/15
Bonjour
la A il manque un signe
B = (7-2)/3 + 6/5
B = 5/3 + 6/5
B = 5*5/3*5 + 6*3/5*3
B = 25/15 + 18/15
B = 43/15
Bonsoir,
3/4+7/4 * 2/5 = 10/4 *2/5 = 20/20 = 1
et
B =7/3 - 2/3 + 6/5
5/3 +6/5 =
25/15 + 18/15 = 43/15