Find 206×55 using expanded form?
回答 (2)
hmmm..."expanded form "...[2 x 10² + 6 ] (5 x 10 + 5 ) = 10 x 10^3 + 30 x 10 + 10 x 10² +30 = 10^4 + 10^3+ 3 x 10² + 3 x 10 = 11330
Type expanded form on youtube and learn how to do it.
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收錄日期: 2021-05-01 16:40:25
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