Answers

2014-07-23T20:53:54+08:00
Integers
(-7)+(+12)=5


0
2014-07-23T20:55:33+08:00
My teacher said differnt sign minus and copy the sign of the greater absolute valpue so my answer is 5 because 7-12=5 and +12 twelve is the greater absolute value thank you

1 5 1