Question

Решить задачу: На болоте стояли птицы и ели лягушек. Цапли стояли на одной ноге, а журавли на двух ногах. Каждая птица съела по лягушке, а охотник насчитал у птиц 18 ног. Сколько было цапель если в озере стало на 14 лягушек меньше?

Answer 1

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Answer 2

Problem Analysis

To solve this problem, we need to determine the number of herons (цапли) based on the given information. We know that herons stand on one leg, while cranes (журавли) stand on two legs. Each bird ate one frog, and the hunter counted a total of 18 legs among the birds. Additionally, the number of frogs decreased by 14 in the lake.

Solution

Let's assume the number of herons is represented by H and the number of cranes is represented by C.

1. We know that herons stand on one leg, so the total number of heron legs is equal to the number of herons: H. 2. Cranes stand on two legs, so the total number of crane legs is equal to twice the number of cranes: 2C. 3. Each bird ate one frog, so the total number of frog legs is equal to the sum of the number of herons and cranes: H + C. 4.