Oblicz:
a ) (-51)+(-13)+(-19)+(-17) = ? [ oblicz ]
b) (-14)+(-60)+(-7)= ? [ oblicz ]
c) 7+ ( -12)+(-17)+(-7) ? [ oblicz ]
d) (-16)+(-10)+14+(-9)+(+20) = ? [ oblicz ]
e) 20+ ( -18 ) + (-16)+(-40)= ? [ oblicz ]
zad 2
oblicz :
(-4)+(-7)-(-5)=
12-(-6)+(-20)=
(103)-(-12)-(-57)=
(-3)-(-5)+(-9)-(+4)
13-(+15)-(-23)+(-30)=
(-40)+(-35)-(+50)-(-65)=
(-31)+(-47)+(-19)=
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1 zad
a) (-51)+(-13)+(-19)+(-17) =(-64)+(-36)=(-100)
b) (-14)+(-60)+(-7)=(-74)+(-7)=(-81)
c) 7+ ( -12)+(-17)+(-7)=(-5)+(-24)=(-29)
d) (-16)+(-10)+14+(-9)+(+20)=(-26)+5+6=11
e) 20+ ( -18 ) + (-16)+(-40)=2+(-56)=(-54)
2 zad
(-4)+(-7)-(-5)= (-11)-(-5)= (-16)
12-(-6)+(-20)=18+(-20)=(-2)
(103)-(-12)-(-57)=115-(-57)=172
(-3)-(-5)+(-9)-(+4)=2+13=15
13-15-(-23)+(-30)=28-(-53)=81
(-40)+(-35)-(+50)-(-65)=(-75)-115=190
(-31)+(-47)+(-19)=(-78)+(-19)=(-97)