|  | (4)異符号のたし算 (解答) | 学習日 月 日( ) | ||||||||||||||
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| 1 | (+4)+(−1) = +3 | 2 | (−2)+(+8) = +6 | 
| 3 | (+9)+(−5) = +4 | 4 | (−7)+(+9) = +2 | 
| 5 | (+6)+(−3) = +3 | 6 | (−1)+(+4) = +3 | 
| 7 | (+2)+(−8) = −6 | 8 | (−5)+(+3) = −2 | 
| 9 | (+5)+(−7) = −2 | 10 | (−6)+(+4) = −2 | 
| 11 | (+15)+(−9) = +6 | 12 | (−20)+(+16) = −4 | 
| 13 | (−30)+(+10) = −20 | 14 | (+80)+(−40) = +40 | 
| 15 | (+11)+(−37) = −26 | 16 | (−88)+(+77) = −11 | 
| 17 | (−3.8)+(+2.6) = −1.2 | 18 | (+  )+(−  ) = 0 | 
| 19 | (+9)+(−9) = 0 | 20 | (−14)+(+14)+0 = 0 | 
| [トップに戻る] [問題に戻る] |