求中学许多符号的读法
\u9ad8\u4e2d\u6570\u5b66\u7b26\u53f7\u7684\u8bfb\u6cd5\uff0c\u4ee5\u53ca\u4ee3\u8868\u610f\u4e49\uff1f\u7b26\u53f7 \u610f\u4e49
\u221e \u65e0\u7a77\u5927
PI \u5706\u5468\u7387
|x| \u51fd\u6570\u7684\u7edd\u5bf9\u503c
\u222a \u96c6\u5408\u5e76
\u2229 \u96c6\u5408\u4ea4
\u2265 \u5927\u4e8e\u7b49\u4e8e
\u2264 \u5c0f\u4e8e\u7b49\u4e8e
\u2261 \u6052\u7b49\u4e8e\u6216\u540c\u4f59
ln(x) \u81ea\u7136\u5bf9\u6570
lg(x) \u4ee52\u4e3a\u5e95\u7684\u5bf9\u6570
log(x) \u5e38\u7528\u5bf9\u6570
floor(x) \u4e0a\u53d6\u6574\u51fd\u6570
ceil(x) \u4e0b\u53d6\u6574\u51fd\u6570
x mod y \u6c42\u4f59\u6570
{x} \u5c0f\u6570\u90e8\u5206 x - floor(x)
\u222bf(x)\u03b4x \u4e0d\u5b9a\u79ef\u5206
\u222b[a:b]f(x)\u03b4x a\u5230b\u7684\u5b9a\u79ef\u5206
[P] P\u4e3a\u771f\u7b49\u4e8e1\u5426\u5219\u7b49\u4e8e0
\u2211[1\u2264k\u2264n]f(k) \u5bf9n\u8fdb\u884c\u6c42\u548c,\u53ef\u4ee5\u62d3\u5e7f\u81f3\u5f88\u591a\u60c5\u51b5
\u5982\uff1a\u2211[n is prime][n < 10]f(n)
\u2211\u2211[1\u2264i\u2264j\u2264n]n^2
lim f(x) (x->?) \u6c42\u6781\u9650
f(z) f\u5173\u4e8ez\u7684m\u9636\u5bfc\u51fd\u6570
C(n:m) \u7ec4\u5408\u6570,n\u4e2d\u53d6m
P(n:m) \u6392\u5217\u6570
m|n m\u6574\u9664n
m\u22a5n m\u4e0en\u4e92\u8d28
a \u2208 A a\u5c5e\u4e8e\u96c6\u5408A
#A \u96c6\u5408A\u4e2d\u7684\u5143\u7d20\u4e2a\u6570
\u2211(n=p,q)f(n) \u8868\u793af(n)\u7684n\u4ecep\u5230q\u9010\u6b65\u53d8\u5316\u5bf9f(n)\u7684\u8fde\u52a0\u548c\uff0c
\u5982\u679cf(n)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(n)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u2211(n=p,q ; r=s,t)f(n,r) \u8868\u793a \u2211(r=s,t)[\u2211(n=p,q)f(n,r)],
\u5982\u679cf(n\uff0cr)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(n\uff0cr)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u220f(n=p,q)f(n) \u8868\u793af(n)\u7684n\u4ecep\u5230q\u9010\u6b65\u53d8\u5316\u5bf9f(n)\u7684\u8fde\u4e58\u79ef,
\u5982\u679cf(n)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(n)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u220f(n=p,q ; r=s,t)f(n,r) \u8868\u793a \u220f(r=s,t)[\u220f(n=p,q)f(n,r)],
\u5982\u679cf(n\uff0cr)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(n\uff0cr)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
lim(x\u2192u)f(x) \u8868\u793a f(x) \u7684 x \u8d8b\u5411 u \u65f6\u7684\u6781\u9650,
\u5982\u679cf(x)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(x)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
lim(y\u2192v ; x\u2192u)f(x,y) \u8868\u793a lim(y\u2192v)[lim(x\u2192u)f(x,y)],
\u5982\u679cf(x\uff0cy)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(x\uff0cy)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u222b(a,b)f(x)dx \u8868\u793a\u5bf9 f(x) \u4ece x=a \u81f3 x=b \u7684\u79ef\u5206,
\u5982\u679cf(x)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(x)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u222b(c,d ; a,b)f(x,y)dxdy \u8868\u793a\u222b(c,d)[\u222b(a,b)f(x,y)dx]dy,
\u5982\u679cf(x\uff0cy)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(x\uff0cy)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u222b(L)f(x,y)ds \u8868\u793a f(x,y) \u5728\u66f2\u7ebf L \u4e0a\u7684\u79ef\u5206,
\u5982\u679cf(x\uff0cy)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(x\uff0cy)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u222b\u222b(D)f(x,y,z)d\u03c3 \u8868\u793a f(x,y,z) \u5728\u66f2\u9762 D \u4e0a\u7684\u79ef\u5206,
\u5982\u679cf(x\uff0cy\uff0cz)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(x\uff0cy\uff0cz)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u222e(L)f(x,y)ds \u8868\u793a f(x,y) \u5728\u95ed\u66f2\u7ebf L \u4e0a\u7684\u79ef\u5206,
\u5982\u679cf(x\uff0cy)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(x\uff0cy)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u222e\u222e(D)f(x,y,z)d\u03c3 \u8868\u793a f(x,y,z) \u5728\u95ed\u66f2\u9762 D \u4e0a\u7684\u79ef\u5206,
\u5982\u679cf(x\uff0cy)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cf(x\uff0cy)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u222a(n=p,q)A(n) \u8868\u793an\u4ecep\u5230q\u4e4bA(n)\u7684\u5e76\u96c6\uff0c
\u5982\u679cA(n)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cA(n)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u222a(n=p,q ; r=s,t)A(n,r) \u8868\u793a \u222a(r=s,t)[\u222a(n=p,q)A(n,r)],
\u5982\u679cA(n\uff0cr)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cA(n\uff0cr)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u2229(n=p,q)A(n) \u8868\u793an\u4ecep\u5230q\u9010\u6b65\u53d8\u5316\u5bf9A(n)\u7684\u4ea4\u96c6,
\u5982\u679cA(n)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cA(n)\u5e94\u5916\u5f15\u62ec\u53f7\uff1b
\u2229(n=p,q ; r=s,t)A(n,r) \u8868\u793a \u2229(r=s,t)[\u2229(n=p,q)A(n,r)],
\u5982\u679cA(n\uff0cr)\u662f\u6709\u7ed3\u6784\u5f0f\uff0cA(n\uff0cr)\u5e94\u5916\u5f15\u62ec\u53f7
A⊃B \u8bfb\u4f5c"\u96c6\u5408A\u5305\u542b\u96c6\u5408B"
A⊂B \u8bfb\u4f5c"\u96c6\u5408A\u5305\u542b\u4e8e\u96c6\u5408B"
⊂\uff0c⊃,⊇\u8fd9\u4e9b\u7b26\u53f7\u662f\u63cf\u8ff0\u5143\u7d20\u4e0e\u96c6\u5408\u7684\u5173\u7cfb,\u5143\u7d20\u4e0e\u96c6\u5408\u7684\u5173\u7cfb\u6709:\u5305\u542b\uff0c\u5305\u542b\u4e8e,\u771f\u5305\u542b...
\u53e6:\u7c7b\u4f3c\u4e8e\u8fd9\u4e9b⊂\uff0c⊃,⊇\u7b26\u53f7\uff0c\u4f60\u53ef\u4ee5\u770b\u5b83\u7684\u90a3\u4e2a\u53e3\u5411\u7740\u8c01,\u5219\u8c01\u662f\u8001\u5927,\u5426\u5219\u5b83\u662f\u5c0f\u5f1f,\u6bd4\u5982A⊃B\u8fd9\u4e2a\u53e3\u662f\u5411\u7740A\u7684\uff0c\u6240 \u4ee5A\u5c31\u662f\u8001\u5927,B\u5c31\u662f\u5c0f\u5f1f,\u5373B\u662fA\u7684\u5c0f\u5f1f\u3002\u8bf4\u65af\u6587\u70b9\u5c31\u662f\u6309\u7167\u6559\u8bfe\u4e66\u7684\u8bf4\u6cd5,\u53ef\u4ee5\u7406\u89e3\u4e3aB\u662fA\u7684\u5b50\u96c6(\u5176\u4e2dA\u8001\u5927\u81f3\u5c11\u6709\u4e00\u4e2a\u5143\u7d20\u4e0d\u5728\u5c0f\u5f1fB\u91cc\u7684)\u3002
log lg ：lao(第四声)ge（第一声）
ln : lao（第四声）in（第一声）
sin : sei in
cos : kou sei in
tan : tan ti
△x : delta x
老师布置作业，要写出高中数学所有的符号及读法，急！请各位帅哥美女帮帮忙！谢谢！ 序号 大写 小写 英文注音 国际音标注音 中文注音 1 Α α alpha
绛旓細mi霉 (鍥涘０),涓鐗╃悊涓殑甯岃厞瀛楁瘝,PS 渭m 灏辨槸寰背鐨勬剰鎬
绛旓細鏈夎繖涓绗﹀彿鐨锛屽洜涓鸿繖涓鍙峰湪涓浠ｈ〃鐨勬剰鎬濇槸澶氬皯娆℃柟鐨勬剰鎬濓紝鐢变簬鏄數鑴戞墦鍑烘潵锛屽氨浼氬彉鎴愯繖涓鍙枫
绛旓細鎴戞槸涓鏁板鏁欏笀,鎴戝彲浠ヨ璇存垜鐨勭粡楠.log,lg,ln鐨勮娉濡傛灉璇绘垚涓鏍风殑闊,涓婅鏃,鏈夋椂鍊欎細浣垮鐢熻瑙.鎵浠og鎴戣"鑰佸挴",lg鎴戣"钃濆挴",ln鎴戣"钃漬"浣嗘槸寮璇,姣旇禌鏃惰瑙勮寖.lg鍜宭og涓鏍,ln鎴戣"钃漬"浣犳槸涓嶆槸纰板埌杩欐牱鐨勯夯鐑?
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绛旓細闃朵箻
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