請問
-(-5)÷(-1/3)÷(+3/4)×(-2)
=?
=?
=?
=?
要步驟
十萬個thx....
數學高手請入...快
2008-09-15 9:28 pm
回答 (5)
2008-09-16 4:59 am
✔ 最佳答案
-(-5)÷(-1/3)÷( 3/4)×(-2)=(+5)÷(-1/3)÷( 3/4)×(-2)
=(+5)×(-3)÷( 3/4)×(-2)
=(-15)×( 4/3)×(-2)
=(-20)×(-2)
=40
*(-20)×(-2)=40 beacause -20乘-2=20乘2(負數乘負數得正數)
參考: me
2008-09-15 10:00 pm
-(-5)÷(-1/3)÷(+3/4)×(-2)
=5 x (-3) x (4/3) x (-2)
= (-15) x (4/3) x(-2)
= 40
=5 x (-3) x (4/3) x (-2)
= (-15) x (4/3) x(-2)
= 40
2008-09-15 9:33 pm
-(-5)÷(-1/3)÷(+3/4)×(-2)
=(-5)x(-3)÷(+3/4)×(-2)
=(15)x(+4/3)×(-2)
=(20)×(-2)
=-40
=(-5)x(-3)÷(+3/4)×(-2)
=(15)x(+4/3)×(-2)
=(20)×(-2)
=-40
2008-09-15 9:33 pm
-(-5)÷(-1/3)÷(+3/4)×(-2)
= 5 x (-3) x (4/3) x (-2)
= (-15) x (4/3) x(-2)
= (-20) x (-2)
= 40
= 5 x (-3) x (4/3) x (-2)
= (-15) x (4/3) x(-2)
= (-20) x (-2)
= 40
參考: Myself
收錄日期: 2021-04-13 16:06:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080915000051KK01019