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1.( 1) Fill in the table below and see what you find when you least need the number of cakes.
There is such a problem in the wide angle of mathematics in the first volume of the fourth grade mathematics of the People's Education Press: the pancake problem.

It is very different from the previous application questions. You need to bake two sides of a cake at a time, and the number of cakes is often odd, which brings difficulties to solve the problem.

For the simple pancake problem, set the formula directly.

Two pieces at a time, one piece with two sides: total time = time for baking one side × number of cakes. Pay attention to roast one side, not one side.

For the complicated pancake problem

Find the number of noodles first, then the number of times, and finally the time.