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Tell a math story, deer weighs 20 Jin, monkey 10 Jin. How to do this?
What are the weights of deer and monkeys? 20+ 10=30 (kg)

How many kilograms is a deer heavier than a monkey? 20- 10 = 10 kg

How many kilograms are monkeys lighter than deer? 20- 10 = 10 kg

How many times heavier is a deer than a monkey? 20÷ 10=2

How much does this little monkey weigh? 10÷20= 1/2

What is the weight of a deer in a monkey? 20÷ 10× 100%=200%

What percentage of deer do monkeys weigh? 10÷20× 100%=50%

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