pg 136-137-138-139-140.
how it works is by reading the example and it might give you a heads up in your work.
And it has countered, with it in the book so it can help you in your math's if you are stuck.
how I worked it out by doing the easy one first 12➗2=6 6➗2=3
and after that, we did multiple and dividing by choosing a strategy
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