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Author Topic: past quiz problem  (Read 3462 times)

ziyizhou

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past quiz problem
« on: September 24, 2020, 01:23:16 AM »
could someone help me to solve this? please show the step
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RunboZhang

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Re: past quiz problem
« Reply #1 on: September 24, 2020, 09:38:27 AM »
Hi, the picture attached below is my solution to this problem.
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