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数学
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计算:
123454321
12345×12345−12346×12344
=______
人气:383 ℃ 时间:2020-04-05 16:49:59
解答
原式=
123454321
12345
2
−(12345+1)(12345−1)
=123 454 321.
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计算:123454321/12345×12345−12346×12344=_
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