- 5/24 +11/36 = - 1/5+ (-3/5 ) = 5/7 + (-6/7)= - 7/9 + 8/9 = - 2/5+ (-7/15 )= -1/3 +1/2...

Question

- 5/24 +11/36 =
- 1/5+ (-3/5 ) =
5/7 + (-6/7)=
- 7/9 + 8/9 =
- 2/5+ (-7/15 )=
-1/3 +1/2 =
-5/18+ 1/24=

Answer 1

1) -5/24+11/36= -15/72+22/72=7/72   
2)-1/5+ (-3/5)=-4/5
3)5/7 + (-6/7)= -1/7
4)- 7/9 + 8/9 =1/9
5)- 2/5+ (-7/15 )= -13/15
6)-1/3 +1/2 =-2/6+3/6=1/6
7)-5/18+ 1/24=-20/72+3/72=-17/72

Comments

Cпасибо орромнооое *-*

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всегда пожалуйста