题目内容

计算下面各题,能简算的要简算。
(1)12.5×8.8 (2)35×4.6+4.6
(3)9.6÷0.4÷3 (4)0.25×0.7×40
(5)4.32×0.52+5.68×0.52-3.5  
(1)12.5×8.8
  =12.5×8+12.5×0.8 
  =100+10
  =110
(2)35×4.6+4.6
  =(35+1)×4.6
  =36×4.6
  =165.6
(3)9.6÷0.4÷3
  =2.4÷3
  =8
 
(4)0.25×0.7×40
  =0.25×40×0.7
  =10×0.7
  =7
(5)4.32×0.52+5.68×0.52-3.5
  =0.52×(4.32+5.68)-3.5
  =0.52×10-3.5
  =1.7
 
 
 
 
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