Question

(-5/6)+(-4/3)=
2/3+5/2=
(-3/5)+(+1/4)=
(-10,5)+(+5,2)=
(-5,3)-4,7=
(-7/3)+(-5/2)=
(-29/6)+5/2+7/3=
va rog repede
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Answer 1

Răspuns:

(-5/6)+(-4/3)=

=-5/6-4/3

=-5/6-8/6

=-13/6

2/3+5/2=

=4/6+15/6

=19/6

(-3/5)+(+1/4)=

=-3/5+1/4

=-12/20+5/20

=-7/20

(-10,5)+(+5,2)=

=-10,5+5,2

=-5,3

(-5,3)-4,7=

=-5,3-4,7

=-10,0

=-10

(-7/3)+(-5/2)=

=-7/3-5/2

=-14/6-15/6

=-29/6

(-29/6)+5/2+7/3=

=-29/6+5/2+7/3

=-29/6+15/6+14/6

=-14/6+14/6

=0