www.5129.net > 用竖式计算.49×9= 78×6= 87×5= 137×6= 259×7

用竖式计算.49×9= 78×6= 87×5= 137×6= 259×7

49×9=44178×6=46887×5=435137×6=822259×7=1813

259×78列竖式 259 × 78 = 20202

259+184=443 806-714=92 验算: 634×8=5072 350×6=2100 32÷6=5…2

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259÷5=51余4

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