Question

ajutatima si pe mn la ex astea7,9

Answer 1

7.)a)-9+|-4|+7=-9+4+7=-5+7=2
b)|+7|-(-3)+|-1|=7+3+1=10+1=11
c)|-3+2|+(-10)=1-10=-9
d)-17+|-3-5+2|+(-11)=-17+6-11=-11-11=-22
9.)a)(-11)*(+2)*(-5)=-22*(-5)=110
b)(-4)*(+7)*(-25)=3*(-25)=-75
c)(-8)*(-7)*(-5)=56*(-5)=-280
d)(+2)*(-5)*(-7)=-10*(-7)=70.