0-(-3.71)-(+17.

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0-(-3.71)-(+17.

0-(-3.71)-(+17.
0-(-3.71)-(+17.

0-(-3.71)-(+17.
0-(-3.71)-(+17.1)-(-5)
=0+3.71-17.1+5
=8.71-17.1
=-8.39

0-(-3.71)-(+17.1)-(-5)
=0+3.71-17.1+5
=-8.39

0-(-3.71)-(+17.1)-(-5)
=0+3.71-17.1+5
=8.71-17.1
=-8.39