bjr
jade
nbre 4
+8 4+8 = 12
x3 12x3= 36
-24 36-24 = 12
-4 12-4 = 8
ok
lucas
nbre 0
+8 0+8=8
x3 8x3=24
-24 24-24=0
-0 0-0= 0
yasmine
nbre n
+8 n+8
x3 3n+24
-24 3n
-n 3n-n= 2n
noé
nbre -3
et tu le fais... tu as compris :)
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bjr
jade
nbre 4
+8 4+8 = 12
x3 12x3= 36
-24 36-24 = 12
-4 12-4 = 8
ok
lucas
nbre 0
+8 0+8=8
x3 8x3=24
-24 24-24=0
-0 0-0= 0
ok
yasmine
nbre n
+8 n+8
x3 3n+24
-24 3n
-n 3n-n= 2n
ok
noé
nbre -3
et tu le fais... tu as compris :)