數學題!!急用!!!

2007-09-14 1:28 am

唔該大家幫一幫我!!有題數學題~請幫我解答!!!要有步驟~~~!!!!

20+3*[63/(14/2)-5*3]

如果識就快d la~~

回答 (5)

2007-09-14 1:31 am

✔ 最佳答案

20+3*[63/(14/2)-5*3]
= 20+3*[63/(7)-15]
= 20+3*[9-15]
= 20+3*[-6]
= 20 + (-18)
= 20 - 18
= 2

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2007-09-14 2:05 am

20 + 3* [ 63 / ( 14/2 ) - 5* 3 ]
= 20 + 3* [ 63/(7) - 15 ]
= 20 + 3* [ 9 - 15 ]
= 20 + 3* [ - 6 ]
= 20 + ( - 18 )
= 20 - 18
= 2

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2007-09-14 1:53 am

20 + 3* [ 63 / ( 14/2 ) - 5* 3 ]

= 20 + 3* [ 63/(7) - 15 ]

= 20 + 3* [ 9 - 15 ]

= 20 + 3* [ - 6 ]

= 20 + ( - 18 )

= 20 - 18

= 2
希望help到你啦~~~

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2007-09-14 1:33 am

20+3*[63/(14/2)-5*3]
= 20+3*[63/7-15]
= 20+3*[9-15]
= 20+3*[-6]
= 20-18
= 2

希望幫到你

參考: myself

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2007-09-14 1:33 am

20+3*[63/(14/2)-5*3]

= 20+3*[63/(7)-15]

= 20+3*[9-15]

= 20+3*[-6]

= 20 + (-18)

= 20 - 18

= 2
kokokokokok?

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