如题所述
第1个回答 2017-10-01
1. 7 × 5/49 + 3/14
2. 6 ×( 1/2 + 2/3 )
3. 8 × 4/5 + 8 × 11/5
4. 31 × 5/6 – 5/6
5. 9/7 - ( 2/7 – 10/21 )
6. 5/9 × 18 – 14 × 2/7
7. 4/5 × 25/16 + 2/3 × 3/4
8. 14 × 8/7 – 5/6 × 12/15
9. 17/32 – 3/4 × 9/24
10. 3 × 2/9 + 1/3本回答被提问者采纳
2. 6 ×( 1/2 + 2/3 )
3. 8 × 4/5 + 8 × 11/5
4. 31 × 5/6 – 5/6
5. 9/7 - ( 2/7 – 10/21 )
6. 5/9 × 18 – 14 × 2/7
7. 4/5 × 25/16 + 2/3 × 3/4
8. 14 × 8/7 – 5/6 × 12/15
9. 17/32 – 3/4 × 9/24
10. 3 × 2/9 + 1/3本回答被提问者采纳