Ҫʹλ, - - - .

::Ҫʹλ,6<67;1,2,3,4,5,6,6.ʴΪ:6.


Ҫʹλ15ABC6ܱ36,С,λ...

36=49ܱ36(Ҳ˵,36ı),ôһ49ı,Ϊ49,ô4ı,9ı,ôһ49Ĺ,ôһ36...


Ҫʹֹ˶, - - - ,Ҫʹ˶ø...

Ҫʹֹ˶ʩҪʹ˶ø죬ʩӸڶѧٶȵij˻...


ΪʲôʹФФĵĿô,ο...

Ф˳ʱȽ磬Ҫʵû׻ŵòУԿФ˵ԭ֣IJÿ~֣ʱҲȥ׼...


2019һȸس˿ж?

ŮҲ32Ӧ1998˿1540Ů˿711Ҫ1100˿ڣҪʹ1.6ӹ


Ů20,СҪʹųô

3.·ʯ ·ʯɵխ߶ʹҺ޷˳ͨӶѵ֢״·ʯƣһԿʯ...


ʹxdocreport word - - CSDNʴ

ȷģļֻһ,Ҫڱκ,ҲҪģӶС еѭǩ,ʹWordĵʱԶ̬ɶС,...


¾ƫͷʹʹຽ

ͨѪѪƽϵĵѹͨϵĸԵλ,ֹCa2+Ĥϸ,ʹCa2+,Ѫƽɳ;...


Ϊֻˮ˻ܼʹ?

һֻˮһʱ϶ǵӴӴˮ¶ϵ߶·ʹֱֻӹػڽֻó֮һҪεأɳʱ·ջ壬鷳...


ҪʹεܳΪ20cm,߳Ϊ,...

::8,ֱ:(9,9,2)(8,8,4)(7,7,6)(6,6,8)(9,6,5)(9,7,4)(9,8,3)(8,7,5).ѡC.