用简便计算.999*222+333*334

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用简便计算.999*222+333*334

用简便计算.999*222+333*334
用简便计算.999*222+333*334

用简便计算.999*222+333*334
你好

999*222+333*334
=333*3*222+333*334
=333*666+333*334
=333*(666+334)
=333*1000
=333000

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=333*666+333*334
=333(666+334)
=333*1000
=333000

999*222+333*334
=333*666+333*333+333
=333*999+333
=333*1000
=333000

333*(3*222+334)

999*222+333*334
=333*3*222+333*334
=333*666+333*334
=333*(666+334)
=333*1000
=333000
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