开心24
4.2 (
6992 ratings )
Развлечения
Образование
Разработчик Chengdu WangDianTong Tech. Services Co.,Ltd
бесплатно
Happy24 will randomly give 4 numbers, and the user will form a formula by adding, subtracting, multiplying and dividing to make the result equal to 24; using mental arithmetic to exercise the users mental arithmetic ability and develop intelligence, you can try in fragmented time.