题目内容

写出递等式计算过程。
(1) (2)×2.4+0.6
(3)1.324-0.324÷1.35×0.35 (4)8.6-
(5)9.8÷ (6)
(7)5.46÷[(5-3.96)×(5.625-)]
(1)
  =
  =
  =6-3
  =3
(2)×2.4+0.6
  =×2.4+6
  =2+1.4-0.9+0.6
  =4-0.9
  =3.1
(3)1.324-0.324÷1.35×0.35
  =1.324-0.24×0.35
  =1.324-0.084
  =1.24
(4)8.6-
  =8.6-
  =8.6-0.6-6
  =2
(5)9.8÷
  =9.8÷
  =9.8÷
  =
(6)
  =
  =1.6×
  =1.2
(7)5.46÷[(5-3.96)×(5.625-)]
  =5.46÷(1.04×3.75)
  =5.46÷3.9
  =1.4
  
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