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月 日( )
● 次の方程式を解きなさい [0E4-10]
(1) | | | | | | | | | | | | | | | 0.3 | x | − | 1.9 | − | 1.9 | x | = | −0.8 | x | − | 0.46 | | | | | | | | | | | | | | |
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(2) | | | | | | | | | | | | | | | −0.3 | + | 1.9 | x | + | 1.4 | x | = | 1.7 | x | + | 1.14 | | | | | | | | | | | | | | |
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(3) | | | | | | | | | | | | | | | 0.9 | x | + | 0.4 | = | −1.4 | x | − | 0.7 | x | − | 5.3 | | | | | | | | | | | | | | |
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(4) | | | | | | | | | | | | | | | 1 | − | 0.9 | x | = | −0.4 | x | + | 1.8 | x | + | 4.91 | | | | | | | | | | | | | | |
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(5) | | | | | | | | | | | | | | | −1.8 | + | 0.4 | x | = | 0.9 | x | − | 1.5 | x | − | 1.9 | | | | | | | | | | | | | | |
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