係橫線填上適當的運算符號
1 _ 1 _ 3 _ 4 _ 5 _ 6 _ 7 _ 8=100
小學數學題，填上適當的運算符號
2007-08-10 2:58 am
回答 (3)
2007-08-11 8:25 pm
答案:
1+1+3x4+5x6+7x8
=2+12+30+56
=14+30+56
=14+56+30(易點計)
=70+30
=100
1+1+3x4+5x6+7x8
=2+12+30+56
=14+30+56
=14+56+30(易點計)
=70+30
=100
參考: myself
2007-08-10 4:06 pm
1+1+3x4+5x6+7x8=100
收錄日期: 2021-04-19 22:20:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070809000051KK04705