減法
| [0] | (+16) − (-10) | = | |
| [1] | (-15) − (-16) | = | |
| [2] | (-16) − (+14) | = | |
| [3] | (+8) − (+9) | = | |
| [4] | (-14) − (-19) | = | |
| [5] | (+10) − (-18) | = | |
| [6] | (+18) − (+10) | = | |
| [7] | (+6) − (-16) | = | |
| [8] | (+17) − (+12) | = | |
| [9] | (-11) − (-18) | = |
加法 減法 乗法 混合
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