Sagot :
bonjour
A = 501 - 83.23 = 417.77
B = 17 - 117 = 100
C = 36 - 135 = 99
d = 153.2 - 253.2 = - 100
bonjour
on calcule tout ; )
A= -3-5,23+234-75+267 = 417 . 77
B = 17-13-78-26 = -100
C = -2-95-38+36 = - 99
D = 22,5+70-253,2+60,7 = - 100
bonne journée