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ページ |
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誤 |
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正 |
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27 |
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●練習問題の選択肢
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33 |
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●Challengeの解答
(誤) |
問1 (1) 0.27
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(正) |
問1 (4) 1.08
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100 |
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●公式
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101 |
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●練習問題の選択肢および解法
(誤) |
(1) 374 (2) 372 (3) 360 (4) 351 (5) 333
解法
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0.04×75=3
3=375−n 1
n 1=375−3=372〔min−1〕
答 (2) 372 |
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(正) |
(1) 376 (2) 378 (3) 390 (4) 399 (5) 418
解法
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0.04×75=3
3=n 1−375
n 1=375+3=378〔min−1〕
答 (2) 378 |
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101 |
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●Challenge問58の選択肢
(誤) |
(1) 250 (2) 275 (3) 496 (4) 483 (5) 472 |
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(正) |
(1) 485 (2) 496 (3) 504 (4) 517 (5) 528 |
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113 |
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●問57
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113 |
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●問58の解答および解法
(誤) |
問58 (3) 496
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(正) |
問58 (3) 504
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