【345345】数学简算:345345x788 690x105606

发布时间：2021-04-04 14:11:25

数学简算：345345x788＋690x105606

网友回答

345345x788+690x105606
=345X1001X788+690X105606
=690X1001X394+690X105606
=690X(394394+105606)
=690X500000
=345000000
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