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● 次の問に答えなさい [170-00]
| | | | | | | | | | | | | | | | | | | | | | | | | | | −2 | ( | −4 | a | − | 2 | b | − | 1 | ) | − | 4 | { | 5 | a | − | 5 | b | − | ( | −4 | ) | } | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | −4 | { | −3 | u | + | ( | −5 | ) | v | − | ( | −4 | ) | } | + | 5 | ( | 4 | u | + | 4 | v | + | 1 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3 | ( | − | x | − | 5 | y | − | 4 | ) | + | ( | −4 | ) | { | −5 | x | − | 3 | y | − | ( | −3 | ) | } | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4 | { | p | − | ( | −4 | ) | q | + | ( | −2 | ) | } | + | { | − | p | + | 3 | q | − | ( | −1 | ) | } | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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