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月     日(     ) 
● 次の計算をしましょう      [140-10]
(1) 
 0.5a−0.5b+0.4b
 
(2) 
 0.9p−0.3q−0.4q
 
(3) 
 0.8p+0.9q+0.6q
 
(4) 
 0.6x−0.7y−0.7y
 
(5) 
 0.7p+0.4q−0.4q
 
(6) 
 0.7p+0.8p−0.4q
 
(7) 
 0.4p+0.2q+0.7q
 
(8) 
 0.8x+0.3x−0.3
 
(9) 
 0.4x−0.7x−0.8y
 
(10) 
 0.8p+0.5p
 
(11) 
 0.4p−0.1q+0.2q
 
(12) 
 0.1p+0.8p−0.4q
 
(13) 
 0.1x−0.5x−0.7y
 
(14) 
 0.7p+0.2q+0.9q
 
  1. (1)
  2.  
     0.5a−0.1b
     
  3. (2)
  4.  
     0.9p−0.7q
     
  5. (3)
  6.  
     0.8p+1.5q
     
  7. (4)
  8.  
     0.6x−1.4y
     
  9. (5)
  10.  
     0.7p
     
  11. (6)
  12.  
     1.5p−0.4q
     
  13. (7)
  14.  
     0.4p+0.9q
     
  15. (8)
  16.  
     1.1x−0.3
     
  17. (9)
  18.  
     −0.3x−0.8y
     
  19. (10)
  20.  
     1.3p
     
  21. (11)
  22.  
     0.4p+0.1q
     
  23. (12)
  24.  
     0.9p−0.4q
     
  25. (13)
  26.  
     −0.4x−0.7y
     
  27. (14)
  28.  
     0.7p+1.1q