understand or non understand / 了解或不了解

understand or non understand

@mariannewest has an activity "5 Min Freewrite",
day 802, the prompt "understand" ...

Welcome everyone to participate in this activity.
Thanks to @mariannewest for hosting this event.
and sponsorer @team-ccc.

understand or non understand

This is a logical question,
Is also a mathematical problem,
Also a philosophical issue,
Even reasoning.

The teacher asked: 1 man + 1 woman = how many people?
Student Answer: 2 people
The teacher said: wrong
Alone man or woman, that can only be one person.
But 1 man + 1 woman, there will be countless people.

The teacher asked: a pile of sand + a pile of sand = how many piles of sand?
Student answer: Countless piles of sand.
The teacher said: Sand is sand, a pile of sand + a pile of sand, it still is a pile of sand.

At last,
The teacher asks: 1 + 1 =?
Student answer: 1
The teacher said: You are stupid! 1 + 1 is of course = 2

understand
or
non understand

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