Réponses

2013-10-13T21:38:26+02:00
-14+-249+127+14+49-27
= (-14+14)+( -249+49)+(127-27)
=0-200+100
= -100

B/ -53+71-38-61+43+28
= (-53+43)+(71-61)+(-38+28)
= -10+10-10
= -10
2013-10-13T21:43:01+02:00
A/ (-14+14)+(-249+49)+(127-27)=0+(-200)+100=-200+100=-100
B/ (-53+43)+(71-61)+(28-38)=-10+10+(-10)=-10+10-10=-10