The final step for the first grade school arithmetic, you can learn to carry and borrow easily.
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