-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
-5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
2.4-(-3/5)+(-3.1)+4/5
(-6/13)+(-7/13)-(-2)
3/4-(-11/6)+(-7/3)
11+(-22)-3×(-11)
(-0.1)÷1/2×(-100)
2.4-(-3/5)+(-3.1)+4/5
(-6/13)+(-7/13)-(-2)
3/4-(-11/6)+(-7/3)
11+(-22)-3×(-11)
(-0.1)÷1/2×(-100)
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.(-8)-(-1)［-|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
-1+2-3+4-5+6-7
-50-28+(-24)-(-22)
-19.8-(-20.3)-(+20.2)-10.8
0.25-+(-1)-(+3)
-1-[1-(1-0.6÷3)]×[2-(-3)×(-4)]
0÷(-4)-42-(-8)÷(-1)3
-32-(-3)2-(-3)3+(-1)6
3×(-2)2+(-2×3)2+(-2+3)2
(-12)÷4×(-6)÷2
(-12)÷4×(-6)×2
75÷[138÷(100-54)]
85×(95-1440÷24)
80400-(4300+870÷15)
240×78÷(154-115)
1437×27+27×563
[75-(12+18)]÷15
2160÷[(83-79)×18]
280+840÷24×5
325÷13×(266-250)
85×(95-1440÷24)
58870÷(105+20×2)
1437×27+27×563
81432÷(13×52+78)
［37.85-(7.85+6.4)］×30
156×［(17.7-7.2)÷3］
(947-599)+76×64
36×(913-276÷23)
-(3.41.25×2.4)
0.8×[15.5-(3.215.79)]
(31.83.2×4)÷5
194-64.8÷1.8×0.936.72÷4.25×9.9
3.416÷(0.016×35)
0.8×［(10-6.76)÷1.2］
(136+64)×(65-345÷23)
(6.8-6.8×0.55)÷8.5
0.12×4.8÷0.12×4.8
(58+37)÷(64-9×5)
812-700÷(9+31×11)
(3.2×1.5+2.5)÷1.6
85+14×(14+208÷26)
120-36×4÷18+35
(284+16)×(512-8208÷18)
9.72×1.6-18.305÷7
4/7÷［1/3×(3/5-3/10)］
(4/5+1/4)÷7/3+7/10
12.78-0÷(13.4+156.6)
37.812-700÷(9+31×11)
(136+64)×(65-345÷23)
邮箱： 