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408×35怎么验算

408x35 =(400+8)x(30+5) =12000+2000+240+40 =14280 14280/408=35

计算:408*81=33048 验算:33048÷408=81 或者:33048÷81=408

仔细认真的做

408×5=2040 验算: 2040÷5=408

408x33=13464 验算: 13464除以33=408 仅供参考

408x45=18360 验算:18360÷45=408 或:45×408=18360

378x24=9072 验算: 9072÷24=378 17×408=6936 验算: 6936÷408=17

26×408等于多少用竖式带计算还要验算 26×408=10608 验算:

408 ÷ 6 = 68 验算:68 × 6 = 408

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