樂思升小六.....help me ok?

P.45
1. 1/6
2. 8
3. 1/8
4. 2/33
5. 35/54
6. 2/9/13
7. 2/3/16
8. 10/5/8 ÷5=2/1/8
9. 12/3/5÷2/1/10=6
10. 30/3/5÷8/1/4=3/34/55
3枚

p.65
1.D
2.1/5/7
3.2/13/24
4.12/4/15
5.3/9/11
6.3.81
7.58.9

8. 92.4-29.9-50
=62.5-50
=12.5






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