Sagot :
R=(-5)x(-4)+(-3)-(-2):(-1)
R=20 -3-(+1)
R=20-3-1=20-4=16
E=(-8)x125x6,99x(-4)x25
E=-1000x6,99x(-100)=1000x699=699000
L=-6+7-(-8)+(-9)-10
L=+1+8-9-10=+9-9-10=-10R= (-5)*(-4)+(-3)-(-2)/-1
=20-3-2
=15
E=(-8)*125*6.99*(-4)*25
=-1000 * 6.99 * (-100)
=-1000*699
=699 000
L=-6+7-(-8)+(-9)-10
=-6+7+8-9-10
=-25+15=10