61+4x610+59x61用简便方法计算 61+4x610+59x61如何用简便方法计算

  61+4×610+59×61用简便方法计算为:

  61+4×610+59×61

  =1×61+59×61+4×610

  =(1+59)×61+4×610

  =60×61+4×610

  =60×61+4×10×61

Jy.mEiyAn888。coM

  =60×61+40×61

  =(60+40)×61

  =100×61

  =6100

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