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Roby-One’s ship is broken and the robot asks Alex to help him fix it. First of all, they need seven nails from the garage. |
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Alex and his friend, the robot Roby-One, meet master Zu who explains to them the concept of place value of numbers in Mathematics. |
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Throughout their journey, the two main characters meet strange but friendly creatures who help them better understand different concepts in Mathematics. |
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The task of the user is to add the blue ships to the red ones and type the correct result of the arithmetical operation. |
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Plus has forgotten the password to his computer and asks Alex to help him recover it. The user must match each arithmetic operation with the correct result. |
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This is another character willing to help the two apprentices. His name is Minus and he knows all about subtraction. |
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Alex and Roby-One face another challenge: the guardian of Mathematics who puts them to the test. |
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