Réponses

2013-10-05T13:37:41+02:00
A) 12 + 9 x 5 = 57
b) 6 x 7 - 20 = 22
c) 21 - 9 x 2 + 19 = 22
d) ( 3 + (-4) ) x  ( 3 - 11 ) = 8
a) 12 + 9 x 5 = 57
b) 6 x 7 - 20 = 22
c) 21 - 9 x 2 + 19 = 22
d) ( 3 + (-4) ) x ( 3 - 11 ) = 8
merci
2013-10-05T15:06:49+02:00
A)12+9*5 =57      b)6*7-20=22       c)21-9*2+4=28