7.数量的增加或减少要注意下列用词的概念 。
1）增加为（或增加到）过去的2倍，即过去为1，现在为2;
2）增加（或增加了）2倍，即过去为1，现在为3;
3）超额60%，即定额为100，现在为160;
4）降低到60%，即过去为100，现在为60;
5）降低（或降低了）60%，即原来为100，现在为40;
6）为原数的1/5，即原数为5，现在为1，或原数为1，现在为0.20 。
应特别注意在表达数字减小时，不宜用倍数，而应采用分数，因为用倍数表示容易引起歧义 。
4. 给我各种写法各种款式的阿拉伯数字1谢谢了,大神帮忙啊 威尔士语： 1 un 2 dau (m), dwy (f) 3 tri (m), tair (f) 4 pedwar (m), pedair (f) 5 pump 6 chwech 7 saith 8 wyth 9 naw 10 deg 南美国家的语言（部分）： San Martín: suk ishkay kimsa chusku pichka sukta kanchis pusak ishkun chunka Ayacucho: huk iskay kimsa tawa pichqa soqta qanchis pusaq isqon chunka Brazil: huk iscay kimsa tahua pichca socta canchis pusak iscon chunca Cuzco: hoq iskay kinsa tawa pisqa soqta qanchis pusaq isqon chunka Argentina: suk ishkay kimsa taa pishqa shoqta kanchis pusaq ishqon chunka Ecuador: shuj ishcai kinsa chuscu pichica shucta canchis pusaj ishcun chunga Aymara: maya paya quimsa pusi phesqa sojhta paqallqo quimsaqallqo lltunca tunca Jaqaru: maya paha kimsa pushi pichqa suhta qanhisi pusaqa isqua chungka Tama: teyo cáyapa choteyo cáyapa-ria ciajenté yaquejenté uncuáneco yecquinico teáme jargueseme Cholona: an-zel ip-zel is-zel miip-zel kiok-zel ipzok-zel kilix-zel pak-zel oko-zel al'ek-zel Central Ancash: huk ishkay kima chusku pitsqa hoqta qanchis puwaq isqun chunka Huánuco: huk ishkay kimsa chusku pichqa soqta qanchis pusaq isqon chunka Junín: huk ishkay kimsa trusku pichqa suqta antrish pusaq isqun trunka Peripheral Cajamarca: soq ishkay kimsa trusku pichqa soqta qantris pusaq isqon trunka Secoya: te'e caya toasonge cajese te'e jt seis siete otso nueve si'a jnga 爱斯基摩语（Eskimo-Aleut）: Aleut: Eastern: ataqa-n aalax qaanku-n sichi-n chaang atuung uluung qamchiing sichiing hati-x^ Atkan: ataqa-n alax qanku-s sichi-n chaang atuung uluung qamchiing sichiing hati-x^ Attuan: ataqa-n ulax qaku(n) sichi-ng chaang atuung uluung qavchiing sichiing 1到10都有 另外还有些符号的 壹 ⒈ ⑴ ① ㈠ Ⅰ 1 。
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