Sagot :
Bonjour,
A = -2 +7
= 5
B = 7-(+5)
= 2
C = -10 + 4
= -6
D = -7-3
= -10
E = 20 - (-10)
= 30
Explication:
( -/- ) = +
( -/+ ) = -
( +/+ ) = +
En espèrant t'avoir aidé et bon courage!
Bonjour,
A = -2 +7
= 5
B = 7-(+5)
= 2
C = -10 + 4
= -6
D = -7-3
= -10
E = 20 - (-10)
= 30
Explication:
( -/- ) = +
( -/+ ) = -
( +/+ ) = +
En espèrant t'avoir aidé et bon courage!