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月 日( )
● 次の方程式を解きなさい [0E4-10]
(1) | | | | | | | | | | | | | | | −0.6 | x | − | 0.2 | = | 1.4 | x | + | 1.6 | x | − | 2.72 | | | | | | | | | | | | | | |
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(2) | | | | | | | | | | | | | | | −0.5 | − | 0.2 | x | − | 1.2 | x | = | −1.6 | x | − | 0.84 | | | | | | | | | | | | | | |
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(3) | | | | | | | | | | | | | | | 0.5 | x | + | 0.8 | x | + | 1.8 | = | −1.6 | x | + | 1.51 | | | | | | | | | | | | | | |
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(4) | | | | | | | | | | | | | | | −0.3 | x | + | 1.7 | − | 1.5 | x | = | −1.4 | x | + | 2.18 | | | | | | | | | | | | | | |
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(5) | | | | | | | | | | | | | | | 0.2 | x | + | 1.9 | = | 1.1 | x | + | 1.72 | − | 0.8 | x | | | | | | | | | | | | | | |
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