1+2-3*4/5=

2006-12-19 3:05 am
1+2-3*4/5+?

回答 (5)

2006-12-21 2:06 am
✔ 最佳答案
1+2-3*4/5
=1+2-12/5
=3-12/5
=3-2.4
=0.6(3/5)
要計左乘除先計加減ar!
參考: myself
2006-12-20 4:33 am
1+2-3*4/5=0.6
參考: Me
2006-12-19 3:21 am
1 + 2 - 3 * 4 / 5
= 1 + 2 - 12 / 5(先乘除,後加減)
= 1 + 2 - 2.4
= 3 - 2.4
= 0.6 (answer)
finish
(記得先乘除,後加減,唔係就錯了)
參考: 我
2006-12-19 3:10 am
1+2-3*4/5
=1+2-12/5<---先乘除,後加減
=3-12/5
=3/5
參考: 自己
2006-12-19 3:10 am
有冇少左括號呀?


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