Maths

🎓 學業台小學及中學教育

S.S.

2007-08-13 4:10 am

1. 3 - 5/9 + 1 2/3
= ?

2. 32 -:- 12
= ?

更新1:

The rental fee for a tennie court was $X per hour. Lily booked it for three hours and paid $210. How much was the rental fee for a tennis court per hour ?

回答 (1)

Tsan

2007-08-13 9:46 pm

✔ 最佳答案

1.
3 - 5/9 + 1 2/3
= 27/9 -5/9 + 15/9
= 37/9
= 4 1/9

2.
32/12
= 8/3
= 2 2/3

3. rental fee for a tennis court per hour = $210/3 = $70

"/" = division

2007-08-13 13:47:02 補充：
better to write $70/h than $70 in question3

參考: me

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