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+ By Robotani Technologies, Inc.
Keeping on training is very important to get familiar with numbers. Beat the Robo by answering the questions.
Now, you will be a hero at the school!
Tags: maths carryup, 繰り上がりロボ , çŸ¥è‚²ã€€å°å¦ç”Ÿ.
- design modified