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* We introduced training mode, so that you can harmlessly improve your skill * We added detailed explanations for each exercise * A new exercise: Exponentiation!
If you are having a problem with installation, try to download APKPure App on your Android device to help you to install APK/XAPK files directly on your phone. Moreover, APKPure App can also find the best installation package to suit your device. Check FAQ to get more details.