340×25=
分析:本題根據(jù)整數(shù)末尾有零的整數(shù)乘法的運(yùn)算法則計(jì)算即可.
解答:解:340×25=8500.
    
 3 4 0
×2 5

    
.
  1 7 0    

  
6 8
      8 5 0 0
點(diǎn)評:整數(shù)末尾有0的乘法:可以先把0前面的數(shù)相乘,然后看各因數(shù)的末尾一共有幾個(gè)0,就在乘得的數(shù)的末尾添寫幾個(gè)0.
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科目:小學(xué)數(shù)學(xué) 來源: 題型:解答題

340×25=*4700÷39=1236÷12=

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