30 - [17+ {40-(45 - 30 +12÷6)}]
Answers
Answered by
0
Answer:
your answer will be 23.5
Answered by
3
Answer:
I think -10 is correct answer
Step-by-step explanation:
30-[17+{40-(45-30+2)}]
30-[17+{40-(47-30)}]
30-[17+{40-17)}]
30-[17+23]
30-40
-10
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