我想問一條數學題F1-F2

2010-08-07 7:48 am

If the total weight of 250 pieces of paper is measured to be 75g ,estimate the weight of a piece of paper.

回答 (5)

2010-08-07 8:01 am

✔ 最佳答案

樓上咪老點人
Weight of a piece of paper
=75/250
=0.3g

參考: me

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2010-08-07 9:08 am

清楚少少既話係咁既

75g / 250 pieces of paper
= 0.3g

因為 250 pieces of paper 除盡到 1
所以單位就會係 g

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2010-08-07 8:22 am

通常呢d 係邊個除邊個..
不過要estimate...

weight of a piece of paper
= 75/250
~= 80/300 (rounding up)
= 4/15
= 0.267g, corr. to 3 sig. fig.

參考: 純粹個人愚見

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2010-08-07 8:10 am

75/250= 0.3g

參考: me

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2010-08-07 7:59 am

其實好簡單,250除75 =3.33g(四捨五入)
希望可以幫到你@

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