[計量] 問一題陳向東數學 解出來的答案選項都沒有><
The water level in a tank is lowered by 6 inches,
then raised by 8 inches, and then lowered by 4 inches.
If the water level was x inches before changes in
level, which of thee following represents the water
level, in inches, after the changes?
A) x-3/2
B) x+3/2
C) x-13/2
D) x+13/2
E) x-37/2
附的解答寫A
應該是不懂題意在問什麼的問題
因為我完全不曉得算出來的答案怎麼會這樣@@
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06/05 23:09, , 1F
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