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 =60×61+40×61 =(60+40)×61 =100×61 =6100
