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Baby Kingdom - 親子王國香港討論區 › 首頁 › 自由講場› 請教f.1 maths

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請教f.1 maths [複製鏈接]

giraheiyear

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積分: 17011

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發表於 09-7-20 02:08 |只看該作者 |倒序瀏覽 |打印

請教f.1 maths

miss cheung spends 1/8 of her savings on personal ornaments and 5/6 on clothing. If her savings still has $130 left, find the original amount of her savings.

請各位幫忙
列式同埋點解....
thx!!!!!!!

0 0 0

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sophialing

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積分: 31881

醒目開學勳章畀面勳章

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發表於 09-7-20 02:22 |只看該作者

列式就唔知點同你講..
不過尼條數要通分母先計得到....

Karl was born on 9th Oct 2009 Lok was born on 29th jun 2011

22:18 48cm long 18:31 50cm long

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giraheiyear

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發表於 09-7-20 02:26 |只看該作者

help!!!!!!!!!!

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sophialing

珍珠宮

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醒目開學勳章畀面勳章

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發表於 09-7-20 02:42 |只看該作者

我就咁樣計到出黎o既...
通分母做24..
即係:
1/8=3/24
5/6=20/24

x=1/8+5/6+130
x-130=3/24+20/24
x-130=23/24
x=(23/24+[130])
x=(2990/3120+130/3120)
x=3120

than $3120 is the original amount of her savings

Karl was born on 9th Oct 2009 Lok was born on 29th jun 2011

22:18 48cm long 18:31 50cm long

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tammy2008

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發表於 09-7-20 02:45 |只看該作者

原帖由 giraheiyear 於 09-7-20 02:08 發表
請教f.1 maths

miss cheung spends 1/8 of her savings on personal ornaments and 5/6 on clothing. If her savings still has $130 left, find the original amount of her savings.

請各位幫忙
列式同埋點解... ...