其实在推敲数独的过程中根本用不到数学计算,更多的是逻辑,还需要耐心和专心,因为你要一次又一次地排列测试。
qíshí zài tuīqiāo shùdú de guòchéng zhōng gēnběn yòngbùdào shùxué jìsuàn ,gèngduō de shì luóji ,hái xūyào nàixīn hé zhuānxīn ,yīnwèi nǐ yào yīcì yòu yīcì de páiliè cèshì 。
Actually, in the sudoku solving process you don't use mathematical calculations at all. It's more logic, and you need to be patient and focused, because you have to carry out test after test.