how to do it?

👨🏻‍🏫 學術台數學

2016-01-18 2:06 pm

Please hv steps
Thankyou

回答 (2)

2016-01-20 1:36 am

1000.001 x 999.999 - (1000.001)^2
= -2.000002

👍 0 👎 1

2016-01-18 4:11 pm

You're welcome :)

👍 0 👎 1

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