例 1+2+3+4
=3+3+4
=6+4
=10
1. 2100-21Ã53+2255
2. (103-336÷21)Ã15
3. 800-(2000-9600÷8)
4. 40Ã48-(1472+328)÷5
5. (488+344)÷(202-194)
6. 2940÷28+136Ã7
7. 605Ã(500-494)-1898
8. (2886+6618)÷(400-346)
9. 9125-(182+35Ã22)
10. (154-76)Ã(38+49)
11. 3800-136Ã9-798
12. (104+246)Ã(98÷7)
13. 918÷9Ã(108-99)
14. (8645+40Ã40)÷5
15. (2944+864)÷(113-79)
16. 8080-1877+1881÷3
17. (5011-43Ã85)+3397
18. 2300-1122÷(21-15)
19. 816÷(4526-251Ã18)
20. (7353+927)÷(801-792)
21. (28+172)÷(24+16)
22. 6240÷48+63Ã48
23. 950-28Ã6+666
24. 86Ã(35+117÷9)
25. 2500+(360-160÷4)
26. 16Ã4ï¼6Ã3
27.39÷3ï¼48÷6
28.24Ã4ï¼42÷3
29.7Ã6-12Ã3
30.56÷4ï¼72÷8
(1)-8+4÷(-2)ï¼ (2)6-(-12)÷(-3)ï¼
(3)3•(-4)+(-28)÷7ï¼ (4)(-7)(-5)-90÷(-15)ï¼
102Ã(-4.5)-(-3)Ã(-5) ÷2
7.8Ã6.9ï¼2.2Ã6.9
(-2)+2-(-52)Ã(-1) Ã5+87÷(-3)Ã(-1)
5.6Ã0.258Ãï¼20ï¼1.25ï¼
(-7.1) Ãã(-3)Ã(-5)ã÷2
-2.5Ã(-4.8)Ã(0.09)÷(-0.27)
127+352+73+44Ã(-2)
89Ã276+(-135)-33
25Ã71+75÷29 -88÷(-2)
243+89+111+57
9405-2940÷28Ã21
920-1680÷40÷7
690+47Ã52-398
148+3328÷64-75
360Ã24÷32+730
2100-94+48Ã54
51+ï¼2304-2042ï¼Ã23
4215+ï¼4361-716ï¼Ã·81
ï¼247+18ï¼Ã27÷25
36-720÷ï¼360÷18ï¼
1080÷ï¼63-54ï¼Ã80
ï¼528+912ï¼Ã5-6178
8528÷41Ã38-904
264+318-8280÷69
ï¼174+209ï¼Ã26- (9000^0)
814-ï¼278+322ï¼Ã·15
1406+735Ã9÷45
3168-7828÷38+504
796-5040÷ï¼630÷7ï¼
285+ï¼3000-372ï¼Ã·36
1+5/6-19/12
3x(-9)+7x(-9)
(-54)x1/6x(-1/3)
1.18.1ï¼ï¼3ï¼0.299÷0.23ï¼Ã1
2.(6.8-6.8Ã0.55)÷8.5
3.0.12à 4.8÷0.12Ã4.84
3.2Ã1.5+2.5÷(-1.6)
ï¼-2ï¼Ã3.2Ãï¼1.5+2.5ï¼Ã·1.6
5.6-1.6÷4+(6.8-9)
5.38+7.85-5.37÷89
6.7.2÷0.8-1.2Ã5
6-1.19Ã3-0.43
7.6.5Ãï¼4.8-1.2Ã4ï¼
0.68Ã1.9+0.32Ã1.9
8.10.15-10.75Ã0.4-5.7
9.5.8Ãï¼3.87-0.13ï¼
(-8.01)+4.2Ã3.74
10.32.52-ï¼6+9.728÷3.2ï¼Ã2.5
11.[ï¼7.1-5.6ï¼Ã0.9-1.15] ÷2.5
12.5.4÷[2.6Ãï¼3.7-2.9ï¼+0.62]
13.12Ã6÷ï¼12-7.2ï¼-6
14.12Ã6÷7.2-6
15.33.02ï¼ï¼148.4ï¼90.85ï¼Ã·2.5
(-5)-252Ãï¼-78ï¼
(-6) Ã(-2)+3÷ï¼5+50ï¼
7-7+3-6-ï¼-90ï¼
(-8)(-3)Ã(-8)Ã25
(7+13) ÷(-616)÷(-28)
ï¼8+14-100-27ï¼Ã·4
(-15) ÷(-1)-101÷10
16÷0.21Ã(-8) Ã(4.1+5.9)
(-10) Ã(-2) Ã4÷{-9÷[6+(-5.67)]}
(-18)(-4)2Ã[8.01Ã(-3.14)
9-32{-890-[79+8.1] Ã9}
(-20)-23+(-9) Ã9.42
(-24)3.4Ã104÷(-5) Ã200.96
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1) +â9
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2) Ã2^7
(5+3/8*8/30/(-2)- â36
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
1+2+3+4+......+100000
1/1+1/2+1/3+......1/50
1+1/2+1/4+1/8+1/16+......1/512
3+9+27+81+243+......9999
1+1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90
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
-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
2. (103-336÷21)Ã15
3. 800-(2000-9600÷8)
4. 40Ã48-(1472+328)÷5
5. (488+344)÷(202-194)
6. 2940÷28+136Ã7
7. 605Ã(500-494)-1898
8. (2886+6618)÷(400-346)
9. 9125-(182+35Ã22)
10. (154-76)Ã(38+49)
11. 3800-136Ã9-798
12. (104+246)Ã(98÷7)
13. 918÷9Ã(108-99)
14. (8645+40Ã40)÷5
15. (2944+864)÷(113-79)
16. 8080-1877+1881÷3
17. (5011-43Ã85)+3397
18. 2300-1122÷(21-15)
19. 816÷(4526-251Ã18)
20. (7353+927)÷(801-792)
21. (28+172)÷(24+16)
22. 6240÷48+63Ã48
23. 950-28Ã6+666
24. 86Ã(35+117÷9)
25. 2500+(360-160÷4)
26. 16Ã4ï¼6Ã3
27.39÷3ï¼48÷6
28.24Ã4ï¼42÷3
29.7Ã6-12Ã3
30.56÷4ï¼72÷8
(1)-8+4÷(-2)ï¼ (2)6-(-12)÷(-3)ï¼
(3)3•(-4)+(-28)÷7ï¼ (4)(-7)(-5)-90÷(-15)ï¼
102Ã(-4.5)-(-3)Ã(-5) ÷2
7.8Ã6.9ï¼2.2Ã6.9
(-2)+2-(-52)Ã(-1) Ã5+87÷(-3)Ã(-1)
5.6Ã0.258Ãï¼20ï¼1.25ï¼
(-7.1) Ãã(-3)Ã(-5)ã÷2
-2.5Ã(-4.8)Ã(0.09)÷(-0.27)
127+352+73+44Ã(-2)
89Ã276+(-135)-33
25Ã71+75÷29 -88÷(-2)
243+89+111+57
9405-2940÷28Ã21
920-1680÷40÷7
690+47Ã52-398
148+3328÷64-75
360Ã24÷32+730
2100-94+48Ã54
51+ï¼2304-2042ï¼Ã23
4215+ï¼4361-716ï¼Ã·81
ï¼247+18ï¼Ã27÷25
36-720÷ï¼360÷18ï¼
1080÷ï¼63-54ï¼Ã80
ï¼528+912ï¼Ã5-6178
8528÷41Ã38-904
264+318-8280÷69
ï¼174+209ï¼Ã26- (9000^0)
814-ï¼278+322ï¼Ã·15
1406+735Ã9÷45
3168-7828÷38+504
796-5040÷ï¼630÷7ï¼
285+ï¼3000-372ï¼Ã·36
1+5/6-19/12
3x(-9)+7x(-9)
(-54)x1/6x(-1/3)
1.18.1ï¼ï¼3ï¼0.299÷0.23ï¼Ã1
2.(6.8-6.8Ã0.55)÷8.5
3.0.12à 4.8÷0.12Ã4.84
3.2Ã1.5+2.5÷(-1.6)
ï¼-2ï¼Ã3.2Ãï¼1.5+2.5ï¼Ã·1.6
5.6-1.6÷4+(6.8-9)
5.38+7.85-5.37÷89
6.7.2÷0.8-1.2Ã5
6-1.19Ã3-0.43
7.6.5Ãï¼4.8-1.2Ã4ï¼
0.68Ã1.9+0.32Ã1.9
8.10.15-10.75Ã0.4-5.7
9.5.8Ãï¼3.87-0.13ï¼
(-8.01)+4.2Ã3.74
10.32.52-ï¼6+9.728÷3.2ï¼Ã2.5
11.[ï¼7.1-5.6ï¼Ã0.9-1.15] ÷2.5
12.5.4÷[2.6Ãï¼3.7-2.9ï¼+0.62]
13.12Ã6÷ï¼12-7.2ï¼-6
14.12Ã6÷7.2-6
15.33.02ï¼ï¼148.4ï¼90.85ï¼Ã·2.5
(-5)-252Ãï¼-78ï¼
(-6) Ã(-2)+3÷ï¼5+50ï¼
7-7+3-6-ï¼-90ï¼
(-8)(-3)Ã(-8)Ã25
(7+13) ÷(-616)÷(-28)
ï¼8+14-100-27ï¼Ã·4
(-15) ÷(-1)-101÷10
16÷0.21Ã(-8) Ã(4.1+5.9)
(-10) Ã(-2) Ã4÷{-9÷[6+(-5.67)]}
(-18)(-4)2Ã[8.01Ã(-3.14)
9-32{-890-[79+8.1] Ã9}
(-20)-23+(-9) Ã9.42
(-24)3.4Ã104÷(-5) Ã200.96
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1) +â9
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2) Ã2^7
(5+3/8*8/30/(-2)- â36
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
1+2+3+4+......+100000
1/1+1/2+1/3+......1/50
1+1/2+1/4+1/8+1/16+......1/512
3+9+27+81+243+......9999
1+1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90
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
-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
åèèµæï¼å¶ä¹ç³»åä¸æ»´~~çå®éªæ»´~~
温馨提示:答案为网友推荐,仅供参考
第1个回答 2010-10-10
39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[39+[-23]+0+[-16]= 0
[-18]+29+[-52]+60= 19
[-3]+[-2]+[-1]+0+1+2= -3
[-301]+125+301+[-75]= 50
[-1]+[-1/2]+3/4+[-1/4]= -1
[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25
[-26.54]+[-6.14]+18.54+6.14= -8
1.125+[-17/5]+[-1/8]+[-0.6]= -3+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
0.75+[-11/4]+0.125+12又5/7+[-3/8]=
[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
0.75+[-11/4]+0.125+12又5/7+[-3/8]=
[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[39+[-23]+0+[-16]= 0
[-18]+29+[-52]+60= 19
[-3]+[-2]+[-1]+0+1+2= -3
[-301]+125+301+[-75]= 50
[-1]+[-1/2]+3/4+[-1/4]= -1
[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25
[-26.54]+[-6.14]+18.54+6.14= -8
1.125+[-17/5]+[-1/8]+[-0.6]= -3+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
0.75+[-11/4]+0.125+12又5/7+[-3/8]=
[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
0.75+[-11/4]+0.125+12又5/7+[-3/8]=
[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=
第2个回答 2010-10-07
擦拭