Sagot :
A = (+22)+(-35)
A = -13
B = -3+4-5+7
B = -8+11
B = 3
C = -13-5+7-3+12
C = -21+19
C = -2
A= (+22)+(-35)
= +22 -35
= -13
B= -3+4-5+7
= -8 +11
= 3
C= -13-5+7-3+12
= -21 +19
= -2
= +22 -35
= -13
B= -3+4-5+7
= -8 +11
= 3
C= -13-5+7-3+12
= -21 +19
= -2