因数分解,共通因数2
100 点満点 ( 合格点 70 点 )
残り時間
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問題
25ax4+15a3x
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8a5x+6ax4
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| =ax(a |
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+3x |
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14a3x+21ax5
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| =ax(2a |
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+x |
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8a2x5−12a6x2
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2 |
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(2x |
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−a |
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2a3x6+4a7x2
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(x |
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+a |
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4a2x6−9a4x3
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(4x |
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18x4y2+15xy6
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| =xy |
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(x |
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+5y |
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10x2y3−15x4y6
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| =5x |
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(−3x |
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結果: