练脑24点

Name: 练脑24点
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Description: Practice 24 Points

Simulate Poker cards in 1-13 point ， random selection of four cards (known as deck),
With addition, subtraction, multiplication, and division (can be use in brackets) caculate as 24. Each card must be used once and can only be used once,
If the extracted card is 3,8,8,9, the formula of (9-8) × 8 × 3 or 3 × 8 + (9-8) or (9-8 ÷ 8) × 3, etc..

Features:

1. User choose four numbers.
2 Button or shake the phone randomly selected four numbers.
3 Ask Tip.
4 Check the answer or all answers.
5 Read help .; MoreLess