Posted by **p** on Friday, October 16, 2009 at 9:13am.

add -57+(-22)=-79

place numbers in acsending order 25,-13,8,-2,13,3,18=-13,-2,3,8,13,18,25

perform the indicated operation -21-(-9)/-21-(-21)=-12/-42

add -3/5+(8/35)=13/35

subtract -2.3-(-8.8)=6.5

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