電網工房・匠 > ASIN一覧 > One Grain Of Rice: A Mathematical Folktale >
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It's the story of Rani, a clever girl who outsmarts a very selfish raja and saves her village. When offered a reward for a good deed, she asks only for one grain of rice, doubled each day for 30 days. Remember your math? That's lots of rice: enough to feed a village for a good long time--and to teach a greedy raja a lesson.
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