[計量] In a class of 120 students, 60 ...
BB 第591頁
26.In a class of 120 students, 60 percent can speak French and the rest can
speak only English. If 25 percent of those in the class who can speak French
can also speak English, how many of the students in the class can speak
English?
A:66
還有第29題 但是圖不會畫 如果好心人會的話 麻煩直接跟我說如何算就好!!!
30.The positive quantities X,Y and Z vaty over time, and 2x/3 always equals
16yz. If y is tripled and z is halved, then x is
A:increased by 50%
BB第619頁
9.On a 50-question multiple-choice test, 3 points weregiven for each question
answered correctl and 1 point was deducted for each question answered
incorrectly. A student who answered all of questions on the test received a
total of 98 points.
A column
The number of questions on the test that the student answered
incorrectly
B column
14
還有第623頁的24題及25題
24題我怎麼算都是(D) 1070000
因為用41.7-17.4=24.3 再用4415000X0.243=.... 不是這樣算嗎
還有25題的三個選項都看無
麻煩好心人了 謝謝^^
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10/23 23:34, , 1F
10/23 23:34, 1F
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10/23 23:36, , 2F
10/23 23:36, 2F
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10/23 23:36, , 3F
10/23 23:36, 3F
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10/23 23:37, , 4F
10/23 23:37, 4F
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