31415926
\uff0831415926\uff09\u7684\u5e73\u65b9-31415925*31415927\uff0831415926\uff09\u7684\u5e73\u65b9-31415925*31415927
=\uff0831415926\uff09\u7684\u5e73\u65b9-(31415926-1)*(31415926+1)
=\uff0831415926\uff09\u7684\u5e73\u65b9-\uff0831415926\uff09\u7684\u5e73\u65b9+1
=1
\u7535\u8111\u8ba1\u7b97\u5668\u70b9\u4e00\u4e0bpi
\u5168\u6709\u4e86\uff1a3.1415926535 8979 323 846 264 3383 2795
π
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绛旓細鐢ㄨ繖涓牱瀛愮殑瀹氫箟鍙互瑙ｅ喅浣犵殑闂锛歞efine name_to_str(name_31415926) (#name_31415926)绀轰緥锛歩nclude<stdio.h>#define name_to_str(name_31415926) (#name_31415926)int main(){ int a,b,c,abc; char * p1; a=3; b=4; c=5; abc=a*b*c; p1=name_to_str(abc); ...
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