四年级下的递等式!!不少于310题!!急啊!!

来源:百度知道 编辑:UC知道 时间:2024/06/17 18:26:46

30.8÷[14-(9.85+1.07)]
  [60-(9.5+28.9)]÷0.18
  2.881÷0.43-0.24×3.5
  20×[(2.44-1.8)÷0.4+0.15]
  28-(3.4+1.25×2.4)
  2.55×7.1+2.45×7.1
  777×9+1111×3
  0.8×〔15.5-(3.21+5.79)〕
  (31.8+3.2×4)÷5
  31.5×4÷(6+3)
  0.64×25×7.8+2.2
  2÷2.5+2.5÷2
  194-64.8÷1.8×0.9
  36.72÷4.25×9.9
  5180-705×6
  24÷2.4-2.5×0.8
  (4121+2389)÷7
  671×15-974
  469×12+1492
  405×(3213-3189)
  3.416÷(0.016×35)
  0.8×[(10-6.76)÷1.2]
  19.4×6.1×2.3 5.67×0.2-0.62

  18.1×0.92+3.93 0.0430.24+0.875

  0.4×0.7×0.25 0.75×102 100-56.23

  0.78+5.436+1 4.07×0.86+9.12.5
  36+59+41+54

  23×7+23×3

  1462-369-631

  60506-19460÷35

  23072÷412×65
  36÷9×8
  4×9-25
  28÷7+49
  63÷9÷7
  42÷6-7
  3+12÷4
  184×38+116×38-11300

  (79691-46354)÷629

  325÷13×(266-250)

  74+100÷5×3