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9999*7777+3333*6666简便运算
人气:285 ℃ 时间:2020-04-13 07:27:18
解答
=9999*7777+3333*3*2222
=9999*7777+9999*2222
=9999*(7777+2222)
=(10000-1)*9999
=10000*9999-1*9999
=99990000-9999
=99980001
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9999×7778-3333×6666的简便计算
9999*7778+3333*6666 简便计算
9999×7778+3333×6666的简便计算?
简算9999*7777+3333*6666
9999×7778+3333×6666.
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