Sagot :
Bonjour,
a) 9 - 15 = -6
b) 9.3 - 4 = 5.3
c) ( -7) + 11 = 4
d) (-12.3) - 18.7 = -31
e) 1.5 + 3.2 = 4.7
f) (-20) - 6.4 = -26.4
Bonjour,
a) 9 - 15 = -6
b) 9.3 - 4 = 5.3
c) ( -7) + 11 = 4
d) (-12.3) - 18.7 = -31
e) 1.5 + 3.2 = 4.7
f) (-20) - 6.4 = -26.4