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

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2006-12-20 4:33 am

1+2-3*4/5=0.6

參考: Me

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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

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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

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2006-12-19 3:10 am

有冇少左括號呀?

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