Sagot :
Bonjour,
Si x=5 et y=4 alors :
7 + xy = 7 + 5 × 4 = 7 + 20 = 27
2x + y = 2 × 5 + 4 = 10 + 4 = 14
x - 5y = 5 - 5 × 4 = 5 - 20 = -15
8 - xy = 8 - 5 × 4 = 8 - 20 = -12
7+5x4
=7+20
=27
2x5+4
=10+4
=14
5-5x4
=5-20
= -15
8-5x4
=8-20
= -12 j’espère t’avoir aider
=7+20
=27
2x5+4
=10+4
=14
5-5x4
=5-20
= -15
8-5x4
=8-20
= -12 j’espère t’avoir aider