Divisor divided by divisor, quotient equals divisor, divisor must be 1? In the homework
The answer is No
The general formula is no 0, such as: 2 / 1 = 2
When there is 0, it is not necessary, for example: 0 / 1 (2, 3, 4, 5 )=0.
And 0 is generally meaningless
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