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月 日（ ）
● 次の計算をしなさい [0A5-10]
| (1) | | | | | | | | | | | | | | | | | ( | −0.1 | a | − | 0.2 | ) | − | ( | 0.3 | a | − | 0.2 | ) | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | ( | −0.9 | x | − | 0.5 | ) | − | ( | −0.9 | x | ＋ | 0.9 | ) | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | ( | 0.9 | c | ＋ | 0.7 | ) | ＋ | ( | −0.6 | c | ＋ | 0.7 | ) | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | ( | 0.2 | x | ＋ | 0.3 | ) | − | ( | −0.7 | x | ＋ | 0.4 | ) | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | ( | −0.3 | p | − | 0.9 | ) | ＋ | ( | 0.3 | p | ＋ | 0.8 | ) | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | ( | −0.2 | p | ＋ | 0.5 | ) | ＋ | ( | 0.6 | p | − | 0.6 | ) | | | | | | | | | | | | | | | | |
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