如题所述
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1. 3.375+5.75+2.25+6.625
2. 72 ÷9
3. 1001ï¼9036÷18
4. 3.8Ã5.25+14.5
7. 50åå»12.5çå·®ï¼é¤ä»¥2.5åæ¯å¤å°ï¼
8. ææ°ç6åä¸4 çåçäº19.25ï¼æ±ææ°ãï¼æ¹ç¨è§£ï¼
1. 15.36ï¼3
2. 2.1Ã4.3+5.7Ã2.1
4. 102Ã45ï¼328
5. 2.8Ã3.1+17.6÷8
6. 19.2åå»8.5ä¸4.3çåï¼å·®æ¯å¤å°ï¼
7. ä¸ä¸ªæ°ç30%æ¯18å°6ï¼æ±è¿ä¸ªæ°ã
ï¼æ¹ç¨è§£ï¼
1. 6110Ã47+639
2. 3.5Ã2.7ï¼52.2÷18
4. 3.375Ã0.97+0.97Ã6.625
6. 5åå»2 ä¸1 ç积ï¼å¨é¤ä»¥5 ï¼åæ¯å¤å°ï¼
7. ææ°ç æ¯70å¤10ï¼æ±ææ°ï¼
ï¼æ¹ç¨è§£ï¼
1. 6.54+2.4+3.46+0.6
2. 95.6Ã1.8+95.6Ã8.2
3. 600ï¼420÷12
7.344÷3.6ï¼5.4Ã0.25
5. 15.6÷[16Ãï¼0.25+0.125ï¼]
6. 158åå»80çå·®é¤ä»¥13ï¼åæ¯å¤å°ï¼
7. 7.5åå»ä¸ä¸ªæ°ç ï¼å·®æ¯6ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
1. 3001ï¼1998
3. 5000ï¼105Ã34
4. 0.15÷0.25+0.75Ã1.2
6. 309é¤ä»¥41.25ä¸5.75çåï¼åæ¯å¤å°ï¼
7. ä¸ä¸ªæ°ç å ä¸1.2çäº10ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼å ï¼
2. ï¼25+x ï¼Ã4 =124
3. 300ï¼4263÷21
4. 0.81÷0.25+5.96
7. 5个 é¤ä»¥ ä¸ çåï¼åæ¯å¤å°ï¼
8. ä¸ä¸ªæ°ç æ¯å®ç å¤4.5ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼ä¸ï¼
2. 6.6+2.4
3. 1.8Ã3
4. 403÷13Ã27
5. 1.5Ã4.2ï¼0.75÷0.25
6. 54ç åå»3 é¤ä»¥0.5å¾åï¼å·®æ¯å¤å°ï¼
7. ä¸ä¸ªæ°ç65%ä¸ çåæ¯1.5æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼å «ï¼
2. 3.27Ã4 +3.27Ã5.7
3.
4. ï¼1.2+ xï¼Ã4.5÷6=14
5. 1025ï¼768÷32
6. 0.25Ã80ï¼0.45÷0.9
7. æ¯47大13çæ°ä¹ä»¥5åå»4.25çå·®ï¼ç§¯æ¯å¤å°ï¼
8. ä¸ä¸ªæ°ç3ååå»4.5çå·®æ¯1.5ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼ä¹ï¼
1. 0.25Ã2.69Ã4
2. 4.125Ã 1000
3. 2348+275Ã16
5. 2.4+2.4Ãï¼5.375ï¼3.375ï¼
7. æ¯ä¸ä¸ªæ°ç å°2.4çæ°æ¯1.8ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
8. 4.5åå»1.5ä¹ä»¥2.5ç积ï¼å·®æ¯å¤å°ï¼
ï¼åï¼
1. 645ï¼45Ã12
3. 0.15+1.2÷0.24ï¼0.45
4. 3.75ï¼ï¼2.35+0.25÷1.25ï¼
5. 76Ã +23Ã25%+0.25
6. 10ï¼2.87ï¼7.13
7. 0.96+9.6Ã9.9
8. ä»7.5éåå»5.7ç ï¼å·®æ¯å¤å°ï¼
9. ä¸ä¸ªæ°ç40%åå»9.6çäº6.4ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼åä¸ï¼
1. 12.37ï¼3.25ï¼6.75
2. 16Ã6.8+2.2Ã16+16
3. 401Ã19+284
4. 58.7ï¼16.65÷3.7
5. 0.4Ã4.7Ã2.5+ï¼2.3+5.3ï¼
6. 3.6é¤ä»¥2.5çåå ä¸12.1çåæ¯å¤å°ï¼
7. ä¸ä¸ªæ°ç0.4æ¯0.9å¤0.5ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼åäºï¼
1. 9.31ï¼1.125ï¼7.875
3. 640+128Ã45
4. 8.2Ã1.6ï¼0.336÷4.2
7. 400ä¹ä»¥0.62ä¸0.08çåï¼ç§¯æ¯å¤å°ï¼
8. ä¸ä¸ªæ°ç2.5åçäº37ä¸8çåï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
30.8÷[14ï¼(9.85ï¼1.07)]
[60ï¼(9.5ï¼28.9)]÷0.18
2.881÷0.43ï¼0.24Ã3.5
20Ã[(2.44ï¼1.8)÷0.4ï¼0.15]
28-(3.4+1.25Ã2.4)
2.55Ã7.1+2.45Ã7.1
777Ã9+1111Ã3
0.8Ã[15.5-(3.21+5.79)]
ï¼31.8+3.2Ã4ï¼Ã·5
31.5Ã4÷(6+3)
0.64Ã25Ã7.8+2.2
2÷2.5+2.5÷2
194ï¼64.8÷1.8Ã0.9
36.72÷4.25Ã9.9
5180ï¼705Ã6
24÷2.4ï¼2.5Ã0.8
(4121+2389)÷7
671Ã15-974
0.8Ã[7.9-(2+5)]
469Ã12+1492
405Ã(3213-3189)
3.416÷ï¼0.016Ã35ï¼
0.8Ã[(10ï¼6.76)÷1.2]
1. 3/7 Ã 49/9 - 4/3
2. 8/9 Ã 15/36 + 1/27
3. 12Ã 5/6 â 2/9 Ã3
4. 8Ã 5/4 + 1/4
5. 6÷ 3/8 â 3/8 ÷6
6. 4/7 Ã 5/9 + 3/7 Ã 5/9
7. 5/2 -ï¼ 3/2 + 4/5 ï¼
8. 7/8 + ï¼ 1/8 + 1/9 ï¼
9. 9 Ã 5/6 + 5/6
10. 3/4 Ã 8/9 - 1/3
11. 7 Ã 5/49 + 3/14
12. 6 Ãï¼ 1/2 + 2/3 ï¼
13. 8 Ã 4/5 + 8 Ã 11/5
14. 31 Ã 5/6 â 5/6
15. 9/7 - ï¼ 2/7 â 10/21 ï¼
16. 5/9 Ã 18 â 14 Ã 2/7
17. 4/5 Ã 25/16 + 2/3 Ã 3/4
18. 14 Ã 8/7 â 5/6 Ã 12/15
19. 17/32 â 3/4 Ã 9/24
20. 3 Ã 2/9 + 1/3
21. 5/7 Ã 3/25 + 3/7
22. 3/14 ÃÃ 2/3 + 1/6
23. 1/5 Ã 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 Ã 11/5 + 4/3
26. 45 Ã 2/3 + 1/3 Ã 15
27. 7/19 + 12/19 Ã 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 Ã 21/16 + 1/2
30. 101 Ã 1/5 â 1/5 Ã 21
31.50ï¼160÷40 ï¼58+370ï¼Ã·ï¼64-45ï¼
32.120-144÷18+35
33.347+45Ã2-4160÷52
34ï¼58+37ï¼Ã·ï¼64-9Ã5ï¼
35.95÷ï¼64-45ï¼
36.178-145÷5Ã6+42 420+580-64Ã21÷28
37.812-700÷ï¼9+31Ã11ï¼ ï¼136+64ï¼Ãï¼65-345÷23ï¼
38.85+14Ãï¼14+208÷26ï¼
39.ï¼284+16ï¼Ãï¼512-8208÷18ï¼
40.120-36Ã4÷18+35
41.ï¼58+37ï¼Ã·ï¼64-9Ã5ï¼
42.(6.8-6.8Ã0.55)÷8.5
43.0.12à 4.8÷0.12Ã4.8
44.ï¼3.2Ã1.5+2.5ï¼Ã·1.6 ï¼2ï¼3.2Ãï¼1.5+2.5ï¼Ã·1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2Ã5= 6-1.19Ã3-0.43=
47.6.5Ãï¼4.8-1.2Ã4ï¼= 0.68Ã1.9+0.32Ã1.9
48.10.15-10.75Ã0.4-5.7
49.5.8Ãï¼3.87-0.13ï¼+4.2Ã3.74
50.32.52-ï¼6+9.728÷3.2ï¼Ã2.5
51.[ï¼7.1-5.6ï¼Ã0.9-1.15] ÷2.5
52.5.4÷[2.6Ãï¼3.7-2.9ï¼+0.62]
53.12Ã6÷ï¼12-7.2ï¼-6 ï¼4ï¼12Ã6÷7.2-6
1. 3.375+5.75+2.25+6.625
2. 72 ÷9
3. 1001ï¼9036÷18
4. 3.8Ã5.25+14.5
7. 50åå»12.5çå·®ï¼é¤ä»¥2.5åæ¯å¤å°ï¼
8. ææ°ç6åä¸4 çåçäº19.25ï¼æ±ææ°ãï¼æ¹ç¨è§£ï¼
1. 15.36ï¼3
2. 2.1Ã4.3+5.7Ã2.1
4. 102Ã45ï¼328
5. 2.8Ã3.1+17.6÷8
6. 19.2åå»8.5ä¸4.3çåï¼å·®æ¯å¤å°ï¼
7. ä¸ä¸ªæ°ç30%æ¯18å°6ï¼æ±è¿ä¸ªæ°ã
ï¼æ¹ç¨è§£ï¼
1. 6110Ã47+639
2. 3.5Ã2.7ï¼52.2÷18
4. 3.375Ã0.97+0.97Ã6.625
6. 5åå»2 ä¸1 ç积ï¼å¨é¤ä»¥5 ï¼åæ¯å¤å°ï¼
7. ææ°ç æ¯70å¤10ï¼æ±ææ°ï¼
ï¼æ¹ç¨è§£ï¼
1. 6.54+2.4+3.46+0.6
2. 95.6Ã1.8+95.6Ã8.2
3. 600ï¼420÷12
7.344÷3.6ï¼5.4Ã0.25
5. 15.6÷[16Ãï¼0.25+0.125ï¼]
6. 158åå»80çå·®é¤ä»¥13ï¼åæ¯å¤å°ï¼
7. 7.5åå»ä¸ä¸ªæ°ç ï¼å·®æ¯6ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
1. 3001ï¼1998
3. 5000ï¼105Ã34
4. 0.15÷0.25+0.75Ã1.2
6. 309é¤ä»¥41.25ä¸5.75çåï¼åæ¯å¤å°ï¼
7. ä¸ä¸ªæ°ç å ä¸1.2çäº10ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼å ï¼
2. ï¼25+x ï¼Ã4 =124
3. 300ï¼4263÷21
4. 0.81÷0.25+5.96
7. 5个 é¤ä»¥ ä¸ çåï¼åæ¯å¤å°ï¼
8. ä¸ä¸ªæ°ç æ¯å®ç å¤4.5ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼ä¸ï¼
2. 6.6+2.4
3. 1.8Ã3
4. 403÷13Ã27
5. 1.5Ã4.2ï¼0.75÷0.25
6. 54ç åå»3 é¤ä»¥0.5å¾åï¼å·®æ¯å¤å°ï¼
7. ä¸ä¸ªæ°ç65%ä¸ çåæ¯1.5æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼å «ï¼
2. 3.27Ã4 +3.27Ã5.7
3.
4. ï¼1.2+ xï¼Ã4.5÷6=14
5. 1025ï¼768÷32
6. 0.25Ã80ï¼0.45÷0.9
7. æ¯47大13çæ°ä¹ä»¥5åå»4.25çå·®ï¼ç§¯æ¯å¤å°ï¼
8. ä¸ä¸ªæ°ç3ååå»4.5çå·®æ¯1.5ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼ä¹ï¼
1. 0.25Ã2.69Ã4
2. 4.125Ã 1000
3. 2348+275Ã16
5. 2.4+2.4Ãï¼5.375ï¼3.375ï¼
7. æ¯ä¸ä¸ªæ°ç å°2.4çæ°æ¯1.8ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
8. 4.5åå»1.5ä¹ä»¥2.5ç积ï¼å·®æ¯å¤å°ï¼
ï¼åï¼
1. 645ï¼45Ã12
3. 0.15+1.2÷0.24ï¼0.45
4. 3.75ï¼ï¼2.35+0.25÷1.25ï¼
5. 76Ã +23Ã25%+0.25
6. 10ï¼2.87ï¼7.13
7. 0.96+9.6Ã9.9
8. ä»7.5éåå»5.7ç ï¼å·®æ¯å¤å°ï¼
9. ä¸ä¸ªæ°ç40%åå»9.6çäº6.4ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼åä¸ï¼
1. 12.37ï¼3.25ï¼6.75
2. 16Ã6.8+2.2Ã16+16
3. 401Ã19+284
4. 58.7ï¼16.65÷3.7
5. 0.4Ã4.7Ã2.5+ï¼2.3+5.3ï¼
6. 3.6é¤ä»¥2.5çåå ä¸12.1çåæ¯å¤å°ï¼
7. ä¸ä¸ªæ°ç0.4æ¯0.9å¤0.5ï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
ï¼åäºï¼
1. 9.31ï¼1.125ï¼7.875
3. 640+128Ã45
4. 8.2Ã1.6ï¼0.336÷4.2
7. 400ä¹ä»¥0.62ä¸0.08çåï¼ç§¯æ¯å¤å°ï¼
8. ä¸ä¸ªæ°ç2.5åçäº37ä¸8çåï¼æ±è¿ä¸ªæ°ãï¼æ¹ç¨è§£ï¼
30.8÷[14ï¼(9.85ï¼1.07)]
[60ï¼(9.5ï¼28.9)]÷0.18
2.881÷0.43ï¼0.24Ã3.5
20Ã[(2.44ï¼1.8)÷0.4ï¼0.15]
28-(3.4+1.25Ã2.4)
2.55Ã7.1+2.45Ã7.1
777Ã9+1111Ã3
0.8Ã[15.5-(3.21+5.79)]
ï¼31.8+3.2Ã4ï¼Ã·5
31.5Ã4÷(6+3)
0.64Ã25Ã7.8+2.2
2÷2.5+2.5÷2
194ï¼64.8÷1.8Ã0.9
36.72÷4.25Ã9.9
5180ï¼705Ã6
24÷2.4ï¼2.5Ã0.8
(4121+2389)÷7
671Ã15-974
0.8Ã[7.9-(2+5)]
469Ã12+1492
405Ã(3213-3189)
3.416÷ï¼0.016Ã35ï¼
0.8Ã[(10ï¼6.76)÷1.2]
1. 3/7 Ã 49/9 - 4/3
2. 8/9 Ã 15/36 + 1/27
3. 12Ã 5/6 â 2/9 Ã3
4. 8Ã 5/4 + 1/4
5. 6÷ 3/8 â 3/8 ÷6
6. 4/7 Ã 5/9 + 3/7 Ã 5/9
7. 5/2 -ï¼ 3/2 + 4/5 ï¼
8. 7/8 + ï¼ 1/8 + 1/9 ï¼
9. 9 Ã 5/6 + 5/6
10. 3/4 Ã 8/9 - 1/3
11. 7 Ã 5/49 + 3/14
12. 6 Ãï¼ 1/2 + 2/3 ï¼
13. 8 Ã 4/5 + 8 Ã 11/5
14. 31 Ã 5/6 â 5/6
15. 9/7 - ï¼ 2/7 â 10/21 ï¼
16. 5/9 Ã 18 â 14 Ã 2/7
17. 4/5 Ã 25/16 + 2/3 Ã 3/4
18. 14 Ã 8/7 â 5/6 Ã 12/15
19. 17/32 â 3/4 Ã 9/24
20. 3 Ã 2/9 + 1/3
21. 5/7 Ã 3/25 + 3/7
22. 3/14 ÃÃ 2/3 + 1/6
23. 1/5 Ã 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 Ã 11/5 + 4/3
26. 45 Ã 2/3 + 1/3 Ã 15
27. 7/19 + 12/19 Ã 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 Ã 21/16 + 1/2
30. 101 Ã 1/5 â 1/5 Ã 21
31.50ï¼160÷40 ï¼58+370ï¼Ã·ï¼64-45ï¼
32.120-144÷18+35
33.347+45Ã2-4160÷52
34ï¼58+37ï¼Ã·ï¼64-9Ã5ï¼
35.95÷ï¼64-45ï¼
36.178-145÷5Ã6+42 420+580-64Ã21÷28
37.812-700÷ï¼9+31Ã11ï¼ ï¼136+64ï¼Ãï¼65-345÷23ï¼
38.85+14Ãï¼14+208÷26ï¼
39.ï¼284+16ï¼Ãï¼512-8208÷18ï¼
40.120-36Ã4÷18+35
41.ï¼58+37ï¼Ã·ï¼64-9Ã5ï¼
42.(6.8-6.8Ã0.55)÷8.5
43.0.12à 4.8÷0.12Ã4.8
44.ï¼3.2Ã1.5+2.5ï¼Ã·1.6 ï¼2ï¼3.2Ãï¼1.5+2.5ï¼Ã·1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2Ã5= 6-1.19Ã3-0.43=
47.6.5Ãï¼4.8-1.2Ã4ï¼= 0.68Ã1.9+0.32Ã1.9
48.10.15-10.75Ã0.4-5.7
49.5.8Ãï¼3.87-0.13ï¼+4.2Ã3.74
50.32.52-ï¼6+9.728÷3.2ï¼Ã2.5
51.[ï¼7.1-5.6ï¼Ã0.9-1.15] ÷2.5
52.5.4÷[2.6Ãï¼3.7-2.9ï¼+0.62]
53.12Ã6÷ï¼12-7.2ï¼-6 ï¼4ï¼12Ã6÷7.2-6
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第1个回答 2011-01-05
我是初中生,只可惜我六年级的东西全忘了,我的脑子啊!!!!!!