如题所述
1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 ×× 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31.50+160÷40 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×535.95÷(64-45) 36.178-145÷5×6+42
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第1个回答 2022-07-21
分数加减法脱式计算:
5/7-3/21+3/72.3/14+2/3+1/63.1/5+2/3+5/64.9/22+1/11+1/25.5/3+11/5+4/36.2/3-5/6+1/37.7/19+12/19-5/68.1/4+3/4+2/39.8/7-15/14+1/710.2/101+1/5–1/5
11.3/7+7/2-4/312.8/9+1/9+1/2713.1/3+5/6–2/914.3/7+3/4+1/415.1/8+1/4–3/816.1/8+1/4-3/817.4/5+2/3+3/418.1/4+8/3–5/619.17/32–3/4+9/3220.2/3+2/9+1/3
5/7-3/21+3/72.3/14+2/3+1/63.1/5+2/3+5/64.9/22+1/11+1/25.5/3+11/5+4/36.2/3-5/6+1/37.7/19+12/19-5/68.1/4+3/4+2/39.8/7-15/14+1/710.2/101+1/5–1/5
11.3/7+7/2-4/312.8/9+1/9+1/2713.1/3+5/6–2/914.3/7+3/4+1/415.1/8+1/4–3/816.1/8+1/4-3/817.4/5+2/3+3/418.1/4+8/3–5/619.17/32–3/4+9/3220.2/3+2/9+1/3
第2个回答 2022-08-28
五年级数学分数加减法测试计算应该把分数先通分变成同分母分数,再进行加减。