Mathematics
Senior High
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請問這題怎麼解
9. 小菡某日執行一計算,因精神不濟,將一正數“乘以0.5,”誤計算為“乘以0.5,”導致
所得結果相差1,則此正數應為多少? 18
設此正數為X
0.5-0.5X|
10.阿亨手工水餃包裝上標示,每顆重量是32公克±5%,假設
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