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How to write the fifth grade math handwritten newspaper?

How to write the contents of the first volume of the fifth grade mathematics handwritten newspaper as follows:

1. Each copy × number of copies = total number ÷ each copy = total number of copies ÷ number of copies = number of copies.

2, 1 multiple × multiple = multiple multiple ÷1 multiple = multiple multiple ÷ multiple =1 multiple.

3. Speed× time = distance ÷ speed = time ÷ distance ÷ time = speed.

4. unit price × quantity = total price ÷ unit price = total quantity ÷ quantity = unit price.

5. Work efficiency × working hours = total workload ÷ work efficiency = working hours ÷ total workload ÷ working hours = work efficiency.

6. Addendum+Addendum = sum-one addend = another addend.

7. minuend-minuend = difference minuend-difference = minuend difference+minuend = minuend.