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月 日( )
● 次の方程式を解きなさい [0E4-10]
| (1) | | | | | | | | | | | | | | | | −0.4 | − | 0.3 | x | − | 1.6 | x | = | 1.9 | x | − | 7.24 | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | −0.1 | x | + | 0.3 | x | + | 1 | = | 1.9 | x | − | 0.19 | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | 1.1 | + | 2 | x | + | 0.7 | x | = | 0.9 | x | − | 0.34 | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | 0.3 | x | − | 0.9 | = | 1.9 | x | − | 1.4 | x | − | 0.68 | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | 0.5 | x | + | 1.8 | = | 2 | x | + | 1.64 | + | 0.1 | x | | | | | | | | | | | | | | | |
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