час

1. клас

TCH

Задача 1.

 Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)

Задача 2.

 Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)

Задача 3.   а) Сега е 7 часа. След колко часа ще стане 11 часа?

б) Сега е 14 часа. Преди колко часа е било 6 часа?

в) Сега е 8 часа. След колко часа ще стане 20 часа?

 Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)

На някои часовници не са отбелязани с цифри часовете (или някои от часовете), но пак може да се определи часът.

Задача 4.

 Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)

Задача 5.

 Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)