五年级分数题。求答案。10道- -

1.1
2.11/27
3.28/3
4.41/4
6.5/9
7.1/5
8.10/9
9.25/3
10.1/3

1. 3/7 × 49/9 - 4/3
=7/3-4/3
=3/3
=1

2. 8/9 × 15/36 + 1/27
=5/27+1/27
=6/27
=2/9

3。12× 5/6 – 2/9 ×3
=10-2/3
=9又3分之1

4. 8× 5/4 + 1/4
=10+1/4
=10又4分之1

6. 4/7 × 5/9 + 3/7 × 5/9
=（4/7+3/7）×5/9
=1×5/9
=5/9

7. 5/2 -（ 3/2 + 4/5 ）
=5/2-3/2-4/5
=1-4/5
=1/5

8. 7/8 + （ 1/8 + 1/9 ）
=7/8+1/8+1/9
=1又9分之1

9. 9 × 5/6 + 5/6
=（9+1）×5/6
=10×5/6
=8又3分之1

10. 3/4 × 8/9 - 1/3
=2/3-1/3
=1/3

1
41/108
9 1/3
10 1/4
5/9
2 1/5
1 1/9
25/3
1/3

1. 3/7 × 49/9 - 4/3=1
2. 8/9 × 15/36 + 1/27=11/27
3。12× 5/6 – 2/9 ×3 =28/3
4. 8× 5/4 + 1/4 =41/4
6. 4/7 × 5/9 + 3/7 × 5/9=5/9
7. 5/2 -（ 3/2 + 4/5 ）=1/5
8. 7/8 + （ 1/8 + 1/9 ）=10/9 <