Question

Simplify the following numerical expressions.
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plz explain it.
how the answer come.
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Answer 1

Answer:

9/2+7/2÷7/12-1/2÷2/1

do reciprocal where divide is use

9/2+7/2×12/7-1/2×1/2

9/2+1/1×6/1-1/2×1/2

11/2×6/1-1/4

32

hope it's help you!!