1、 ., : ., : . , ; , . , , , ., , . ., ! 5 ! , , , , ., , , ! , , !, , , , , , , , ., ., .,12x=46,235:z=5,312+m=42,427z=8,53x=54,642:z=6,718+m=28,844z=23,9n12=7,10x:2=5,11h11=13,12p+13=30,135a=60,1424k=8,152n=38,164x=80,1738:z=2,1815+m=38,1969z=48,20n+15=27,21x:2=1,22h17=1,23p+12=31,244x=40,2599:z=3,2
2、624+m=46,2725z=1,28n+43=46,2925: x =25,30h15=8,31p+21=32,1. . 2. .3. x ., , . , (. 孔子)551 . . 479 . .) ., ,22,53,33,82,42,43,62,132,23,121, 1844-1924 , , , , . , , , , , 1) 3x+5x+7=47;, 2)2(x+3)=48;, 131, 729. ,8x+7=47;8x=47 7;8x=40;x =40:8;x=5.5,x+3=48:2;x+3=24;x=24:3;x=8.8, , . ., , , -, 1713 . . 1732 . ,32+x=18,23x=16,42 x =2, ,1,2,3,4, ?, , , , . ., ., !, , , , , 1533 1592 , , . , , , , .,