Réponses

2014-06-04T22:52:58+02:00
A) 7x5-4=31
b) 3x(-7)+5= -21+5 = -17
c) 3²+6x3-8= 9+18-8= 19
d) 3(2x(-2)-6) - (-5x(-2)+7)=3(-4-6)-(10+7)= -12 - 18-10+7=-30-17=-47
e) 5x(-1)²-9x(-1)+4=5+9+4=18
f) 2x10000^3+5x10000²=2x1000000000000+5x100000000=2000000000000+5000000000 =2000500000000