10.4-0.104×50巧算

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10.4-0.104×50巧算10.4-0.104×50巧算10.4-0.104×50巧算10.4-0.104×50  =0.104×100-0.104×50  =0.104×(100-50)  =0

10.4-0.104×50巧算
10.4-0.104×50巧算

10.4-0.104×50巧算
10.4-0.104×50
  =0.104×100-0.104×50
  =0.104×(100-50)
  =0.104×50
  =5.2

10.4-0.104×50
=10.4-5x1.04
=1.04x(10-5)
=1.04x5
=5.4

10.4-0.104×50
=10.4-10.4*0.5
=10.4*(1-0.5)
=10.4*0.5
=5.2