香港寵物小精靈村落 論壇

標題: 有冇人幫我做呢條中一數學題? [打印本頁]

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作者: 狗銳    時間: 3/1/2009 09:01 PM
標題: 有冇人幫我做呢條中一數學題?
就係呢題:
In a supermarket,there are 96 packs of sali with a total weight of 78kg.
Some packs of salt hold 1.5kg while others hold 0.5kg.How many 1.5kg packs are there?



thx!!!

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作者: abc666    時間: 3/1/2009 09:43 PM
1.5x + 0.5(96-x)=78

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