2,000 years ago in China, a curious boy named Cao Chong solves the problem of how to weigh an elephant when the prime minister's most trusted and knowledgeable advisors are stumped. Includes activities.
2,000 years ago in China, a curious boy named Cao Chong solves the problem of how to weigh an elephant when the prime minister's most trusted and knowledgeable advisors are stumped. Includes activities.