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± : 計算型脳トレゲーム app for iPhone and iPad


4.0 ( 0 ratings )
Games Education Educational Puzzle
Developer: Ryosuke Hazuki
Free
Current version: 1.0, last update: 7 years ago
First release : 19 Oct 2015
App size: 0 Bytes

± (Plus Minus) is a brain trainer.

You do not calculate from a formula, but create a formula from an answer.
A formula contains two numbers and one symbol.
Symbol is + (plus) or - (minus).

One game has five questions.

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Sounds:魔王魂