Question
Raul tried to evaluate an expression step by step.
=
=
=
3−(−5)−7
3+5−7
3+2
5
Step 1
Step 2
Step 3
=
=
=
3−(−5)−7
3+5−7
3+2
5
Step 1
Step 2
Step 3
Answers
PsyDAG
3−(−5)−7
3 + 5 -7 = 8 - 7 or 3 -2 = 1
3 + 5 -7 = 8 - 7 or 3 -2 = 1
oobleck
3+5−7
3+(-2)
or, using the usual left-to-right ordering,
3+5−7
8-7
3+(-2)
or, using the usual left-to-right ordering,
3+5−7
8-7