Question

-36+69+(-17)+(-42)+32=

-8-(-12)-(-7)+12-20=

2 3/4-(-1 1/2)+(-3 5/6)=

Answer 1

-36+69-17+42+32=33-17+42+32=16+42+32=90
-8+12+7+12-20=4+7+12-20=23-20=3
2 3/4+ 11/2- 35/6=2 5/12
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