521_面積比_１
Authored by 治 唐木田
Mathematics
3rd Grade
Used 17+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
長さの比(相似比)が２：５のとき、
面積比＝( )
２：５
４：１０
４：２５
√２：√５
どれでもない
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
相似比（もっとも簡単な整数の比）は？
４：６
４：８
６：１２
１：２
どれでもない
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
では、相似な図形の面積比は？
１：２
１：３
１：４
２：３
どれでもない
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
相似比は？
９π：２５π
３：５
２：２５
９：２５
どれでもない
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
では、相似な図形の面積比は？
９：２５
３：５
６：１０
２：３
どれでもない
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
相似比は？
４：９
２：３
４：１２
２：６
どれでもない
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
では、相似な図形の面積比は？
４：９
６：９
２：３
２：６
どれでもない
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