脱式计算4.6-(1.42+2.07)4.32-(1.26+-查字典问答网
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  脱式计算4.6-(1.42+2.07)4.32-(1.26+2.34)3.6-1.28+3.0920-3.65+2.543.2+1.73-2.818.7+3.14-7.473.78+4.86+0.788.6+4.75-7.4723.5-2.8+4.75

  脱式计算

  4.6-(1.42+2.07)4.32-(1.26+2.34)3.6-1.28+3.0920-3.65+2.54 3.2+1.73-2.8 18.7+3.14-7.473.78+4.86+0.78 8.6+4.75-7.47 23.5-2.8+4.75

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2020-06-30 21:05
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韩大鹏

  (1)4.6-(1.42+2.07)

  =4.6-3.49

  =1.11;

  (2)4.32-(1.26+2.34)

  =4.32-3.6

  =0.72;

  (3)3.6-1.28+3.09

  =2.32+3.09

  =5.41;

  (4)20-3.65+2.54

  =16.35+2.54

  =18.89;

  (5)3.2+1.73-2.8

  =4.93-2.8

  =2.13;

  (6)18.7+3.14-7.47

  =21.84-7.47

  =14.37;

  (7)3.78+4.86+0.78

  =8.64+0.78

  =9.42;

  (8)8.6+4.75-7.47

  =13.35-7.47

  =5.88;

  (9)23.5-2.8+4.75

  =20.7+4.75

  =25.45.

2020-06-30 21:06:57

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