5月29日的4SquaresCalc应用程序分析

Let’s take brain exercises in the gap time! It's important to think flexibly. ----------------------------------------------------------------- Do you know “Ten Puzzle”? It’s the game which make the answer to 10 with 4 numbers and 3 operators. This app shows the answer and 3 operators. You choose 4 numbers to make the answer! --------------------------------------------------------- for Example This app shows: the answer = 5 3 operators = +,-,+ you choose 4 numbers; 4,3,7,5 4+3-7+5 = 5 Congratulation! you makes the answer 5!