Sagot :
Réponse :
bonjour,
a) 88,44 ÷ 11 = 8,04 b) 714 ÷ 7 = 102
x = 8,04 x = 102
c) 15 × 3 = 45 d) 270 × 10 = 2 700
x = 45 x = 2700
e) 15,3 ÷ 6 = 2,55 f) 17x - 5x = 12x donc
x = 2,55 120 = 12x
120 ÷ 12 = 10
x = 10
Réponse :
bonjour,
a) 88,44 ÷ 11 = 8,04 b) 714 ÷ 7 = 102
x = 8,04 x = 102
c) 15 × 3 = 45 d) 270 × 10 = 2 700
x = 45 x = 2700
e) 15,3 ÷ 6 = 2,55 f) 17x - 5x = 12x donc
x = 2,55 120 = 12x
120 ÷ 12 = 10
x = 10