| (4)異符号のたし算 (解答) | 学習日 月 日( ) | |||||||||||||||
|
||||||||||||||||
| 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 | (+ |
| 19 | (+9)+(−9) = 0 |
20 | (−14)+(+14)+0 = 0 |
| [トップに戻る] [問題に戻る] |