10.20.30.40.50.第一百位是多少 十个十个的数九十后面是什么数?

\u6570\u5b5720\uff0c30\uff0c40\uff0c50\uff0c60\uff0c70\uff0c80\uff0c90\uff0c100\u7528\u82f1\u6587\u600e\u4e48\u5199

\u82f1\u6587\u5199\u6cd5\uff1a20 : twenty \u300130 : thirty \u300140 : forty \u300150 : fifty \u300160 : sixty \u300170 : seventy\u300180 : eighty\u300190 : ninety\u3001100 : one hundred
\u767e\u4f4d\u548c\u5343\u4f4d\u6570\u5b57\u7684\u8868\u8fbe\uff1a
1\u3001100 = one hundred
2\u3001200 = two hundred
3\u3001500 = five hundred
4\u30011,000=one thousand
5\u30011,100 = one thousand, one hundred; or eleven hundred
6\u30011,500 = one thousand, five hundred; or fifteen hundred
7\u30012,000 = two thousand
8\u30012,100 = two thousand, one hundred; or twenty-one hundred
9\u30012,500 = two thousand, five hundred; or twenty-five hundred

\u6269\u5c55\u8d44\u6599\uff1a\u5206\u6570\u8868\u8ff0\uff1a
1\u30011/2 : one-half; a half \uff0c1/3 : one-third
2\u30013/4 : three-fourths \uff0c1/5 : one-fifth
3\u30012/5 : two-fifths \uff0c1/10 : one-tenth; a tenth
4\u30011/100 : one-hundredth; one per cent
5\u30011/1000 : one-thousandth
6\u30011/10000 : one ten-thousandth
7\u3001100% : one hundred per cent

\u5341\u4e2a\u5341\u4e2a\u6570\u4e5d\u5341\u540e\u9762\u5e94\u8be5\u662f100\u4e86\u3002
\u5341\u4e2a\u4e3a\u4e00\u4e2a\u5355\u4f4d\u90a30\u300110\u300120\u300130\u300140\u300150\u300160\u300170\u300180\u300190\u3001100\u3001110\u3001120\u3001130\u3001140\u3001150\u3001160\u3001170\u3001180\u3001190\u3001200\u3002\u8fd9\u662f\u4e00\u4e2a\u7b49\u5dee\u6570\u5217\uff0c\u5176\u5b9e\u5dee\u6570\u5217\u662f\u6307\u4ece\u7b2c\u4e8c\u9879\u8d77\uff0c\u6bcf\u4e00\u9879\u4e0e\u5b83\u7684\u524d\u4e00\u9879\u7684\u5dee\u7b49\u4e8e\u540c\u4e00\u4e2a\u5e38\u6570\u7684\u4e00\u79cd\u6570\u5217\uff0c\u5e38\u7528A\u3001P\u8868\u793a\u3002\u8fd9\u4e2a\u5e38\u6570\u53eb\u505a\u7b49\u5dee\u6570\u5217\u7684\u516c\u5dee\uff0c\u516c\u5dee\u5e38\u7528\u5b57\u6bcdd\u8868\u793a\u3002

\u6269\u5c55\u8d44\u6599\u7b49\u5dee\u6570\u5217\u901a\u9879\u516c\u5f0f\u901a\u8fc7\u5b9a\u4e49\u5f0f\u53e0\u52a0\u800c\u6765\uff0c\u5982\u679c\u4e00\u4e2a\u7b49\u5dee\u6570\u5217\u7684\u9996\u9879a1\uff0c\u516c\u5dee\u4e3ad\uff0c\u90a3\u4e48\u8be5\u7b49\u5dee\u6570\u5217\u7b2cn\u9879\u7684\u8868\u8fbe\u5f0f\u4e3a\uff1a\uff08\u5176\u4e2dn\u662f\u6b63\u6574\u6570\uff09\u6c42\u548c\u516c\u5f0f\uff1a\uff08\u5176\u4e2dn\u4e3a\u6b63\u6574\u6570\uff09

10、20、30、40、50。第一百位是多少?

解:由题意得:第n个数是10n,所以第100个数是10×100=1000。

答:第一百位是1000。



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