根據(jù)運(yùn)行的環(huán)境,操作系統(tǒng)可以分為桌面操作系統(tǒng),手機(jī)操作系統(tǒng),服務(wù)器操作系統(tǒng),嵌入式操作系統(tǒng)等。 = IF(LEN($ G2)= 18,IF(RIGHT($ G2,1)=“ X”,IF(CHOOSE(MOD(SUM(LEFT(RIGHT($ G2,18))** 7 + LEFT (RIGHT($ G2,17))* 9 + LEFT(RIGHT($ G2,16))* 10 + LEFT(RIGHT($ G2,15))* 5 + LEFT(RIGHT($ G2,14))* 8 + LEFT(RIGHT($ G2,13))* 4 + LEFT(RIGHT($ G2,11))* 2 + LEFT(RIGHT($ G2,11))* 1 + LEFT(RIGHT($ G2,10)) * 6 + LEFT(RIGHT($ G2,9))* 3 + LEFT(RIGHT($ G2,8))* 7 + LEFT(RIGHT($ G2,7))* 9 + LEFT(RIGHT($ G2,6) ))* 10 + LEFT(RIGHT($ G2,5))* 5 + LEFT(RIGHT($ G2,4))* 8 + LEFT(RIGHT($ G2,3))* 4 + LEFT(RIGHT($ G2) ,2))* 2),11)+1,1,0,“ X”,9,8,7,6,5,4,3,2)= LEFT(RIGHT($ G2,1)),“正確!“,”出問題了!“),IF(選擇(MOD(SUM(LEFT(RIGHT($ G2,18))** 7 + LEFT(RIGHT($ G2,17))* 9 + LEFT(RIGHT( $ G2,16))* 10 + LEFT(RIGHT($ G2,15))* 5 + LEFT(RIGHT($ G2,14))* 8 + LEFT(RIGHT($ G2,13))* 4 + LEFT( RIGHT($ G2,12))* 2 + LEFT(RIGHT($ G2,11))* 1 + LEFT(RIGHT($ G2,10))* 6 + LEFT(RIGHT($ G2,9))* 3+ LEFT(RIGHT($ G2,8))* 7 + LEFT(RIGHT($ G2,7))* 9 + LEFT(RIGHT($ G2,6))* 10 + LEFT(RIGHT($ G2,5))* 5 + LEFT(RIGHT($ G2,4))* 8 + LEFT(RIGHT($ G2,3))* 4 + LEFT(RIGHT($ G2,2))* 2),11)+1,1,0號碼檢測,“ X”,9,8,7,6,5,4,3,2)= LEFT(RIGHT($ G2,1))* 1,“ Correct!”號碼檢測,“ Error!”)),IF(LEN ($ G2)= 15, “舊數(shù)字,請注意!”,IF(LEN($ G2)= 0,“缺少數(shù)字”,“數(shù)字錯(cuò)誤!”))))
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