(6)正の数を引く 学習日    月    日(    )
(+2)−(+5)
  (+5)を引く ⇒ (−5)を足す

足し算になおして,
  (+2)−(+5)=(+2)(5)=−3
(−3)−(+5)
  (+5)を引く ⇒ (−5)を足す

足し算になおして,
 (−3)−(+5)=(−3)(5)=−8
〜 印刷して、紙の上でやってネ!  印刷用
足し算になおして,次の計算をしなさい。

 (+1)−(+2) = (  )+(  ) =
 
 (−3)−(+4) = (  )+(  ) =

 (+2)−(+6) = (  )+(  ) =
 

 (−8)−(+1) = (  )+(  ) =
 

 (+4)−(+9) = (  )+(  ) =
 

 (−2)−(+2) = (  )+(  ) =
  

 (+7)−(+10) = (  )+(  ) =
 

 (−6)−(+3) = (  )+(  ) =
 

 (+1)−(+14) = (  )+(  ) =
 
10
 (−4)−(+7) = (  )+(  ) =
 
11
 (+10)−(+35) = (  )+(  ) =
 
12
 (−13)−(+12) = (  )+(  ) =
  
13
 (+60)−(+90) = (  )+(  ) =
 
14
 (−50)−(+70) = (  )+(  ) =
 
15
 0−(+12) = 0+(  ) =
 
16
 (−15)−(+15) = (  )+(  ) =
 
17
 (+1.5)−(+2.9) = (  )+(  ) =
  
18
 (−65)−(+35) = (  )+(  ) =
 
19
 (+)−(+) = (  )+(  ) =
 
20
 (−)−(+) = (  )+(  ) =
 

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