50道五年级脱式计算题带过程和答案,有答案和过程的加分,谢谢了。

作者&投稿:英岩 (若有异议请与网页底部的电邮联系)
~

50道五年级脱式计算题带过程和答案,有答案和过程的加分,谢谢了。

408-12×24 = 408 - 288 = 120
(46+28)×60 = 74 x 60 = 4440
42×50-17 = 2100- 17 = 2083
32+105÷5 = 32 + 21 = 53
420×(327-238) = 420 x 89 = 37380
(4121+2389)÷7 = 6510 ÷7 = 930
3.416÷(0.016×35) = 3.416 ÷0.56 = 6.1
0.8×[(10-6.76)÷1.2] = 0.8 x(3.24÷1.2) = 0.8 x 2.7 = 2.16
5.67×0.2-0.62 = 1.134-0.62 = 0.514
0.4×0.7×0.25 = 0.4 x 0.25 x 0.7 = 0.1 x 0.7 = 0.07
0.78+5.436+1 = 6.216 +1 = 7.216
30.8÷[14-(9.85+1.07)] = 30.8 ÷ (14 - 10.92) = 30.8÷3.08 = 10
[60-(9.5+28.9)]÷0.18 = (60- 38.4)÷0.18 = 21.6 ÷0.18 = 120
2.881÷0.43-0.24×3.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.86
20×[(2.44-1.8)÷0.4+0.15] = 20x (0.64 ÷0.4 +0.15)= 20x(1.6 +0.15) = 20 x1.75 = 35
28-(3.4+1.25×2.4) = 28 - (3.4 + 3) = 28 - 6.4 = 21.6
2.55×7.1+2.45×7.1 = (2.55 + 2.45) x7.1 = 5 x7.1=35.5
0.8×〔15.5-(3.21+5.79)〕 = 0.8 x (15.5 - 9) = 0.8 x 6.5 = 5.2
(31.8+3.2×4)÷5 = (31.8 + 12.8)÷5 = 44.6÷5 = 8.92
31.5×4÷(6+3) = 126 ÷ 9 = 14
2÷2.5+2.5÷2 = 0.8 + 1.25 =2.05
194-64.8÷1.8×0.9 = 194 -36 x0.9 = 194-32.4 = 161.6
5180-705×6 = 5180 - 4230=950
24÷2.4-2.5×0.8 =10 -2=8
405×(3213-3189) =405x24 = 9720
125×(97-81) =125x16 =2000
6942+480÷3 = 6942 + 160 = 6782
20+80÷4-20 = 20 + 20 -20 = 40 -20 = 20
100÷(32-30)×0 = 100 ÷2 x0= 50 x0 = 0
25×4-12×5 = 100 - 60 = 40
70×〔(42-42)÷18〕=70 x (0÷18) = 70x0 = 0
75×65+75×35 = 75 x (65 +35) = 75x100 = 7500
6-1.6÷4= 6- 0.4 = 5.6
5.38+7.85-5.37= 13.23 - 5.37=7.86
7.2÷0.8-1.2×5=9 - 6 =3
6-1.19×3-0.43= 6-3.57 - 0.43 = 6- (3.57 + 0.43) = 6-4 = 2
6.5×(4.8-1.2×4)= 6.5 x(4.8 - 4.8 )=6.5 x0 = 0
0.68×1.9+0.32×1.9 = (0.68 + 0.32) x1.9 = 1 x 1.9 = 1.9
10.15-10.75×0.4-5.7 = 10.15 - 4.3 - 5.7 = 10.15 -(4.3 + 5.7)=10.15 - 10 =0.15
5.8×(3.87-0.13)+4.2×3.74 = 5.8 x 3.74 +4.2 x 3.74 = (5.8 +4.2)x3.74 = 10 x 3.74 = 37.4
32.52-(6+9.728÷3.2)×2.5 = 32.52 - (6+3.04)x2.5 = 32.52 - 9.02 x 2.5 = 32.52 -22.55 = 9.97
(136+64)×(65-345÷23)= 200x(65-15) = 200x 50=10000
(48+370)÷(64-45)=418 ÷19 =22
14 × 8/7 – 5/6 × 12/15 =16 - 2/3 = 15x1/3
17/32 – 3/4 × 9/24 = 17/32 - 27/96= 51/96 - 27 /96 = 24/96 = 1/4
3 × 2/9 + 1/3 = 2/3 + 1/3 = 1
5/7 × 3/25 + 3/7 =3/35 + 3/7= 3/35 +15/35= 18/35
1/5 × 2/3 + 5/6 = 2/15 + 5/6 = 4/30 + 25/30 = 29/30
9/22 + 1/11 ÷ 1/2 = 9/22+ 1/11 x 2 = 9/22 +2/11 = 9/22 +4/22 = 13/22
5/3 × 11/5 + 4/3 = 11/3 +4/3 = 15/3 = 5
45 × 2/3 + 1/3 × 15 = 30+5 = 35
7/19 + 12/19 × 5/6 =7/19 + 10/19=17/19
1/4 + 3/4 ÷ 2/3 =1/4+ 1/2 = 1/4 + 2/4 = 3/4
8/7 × 21/16 + 1/2= 3/2+1/2 = 4/2 = 2

五年级脱式计算题带答案和过程

2.5*32*12.5
=2.5*4*12.5*8
=10*100
=1000

五年级上册数学脱式计算题带过程和答案50道

发吧我是五年级下的。

100道五年级脱式计算题带答案和过程都有哪些?

5.4÷1.8+240×1.5=3+360=363

9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875

1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78

1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5

4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48

2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8

3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7

3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1

0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000

1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5

9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2

1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9

9999×1001=9999×(1000+1)=9999×1000+9999×1=10008999

14.8×6.3-6.3×6.5+8.3×3.7=(14.8-6.5)×6.3+8.3×3.7=8.3×6.3+8.3×3.7=8.3×(6.3+3.7)
=8.3×10=83

1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78

933-157-43=933-(157+43)=933-200=733

4821-998=4821-1000+2=3823

32×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=100000

1.8+18÷1.5-0.5×0.3=1.8+12-0.15=13.8-0.15=13.65

6.5×8+3.5×8-47=52+28-47=80-47=33

3.7x2.56-2.3=9.472-2.3=7.172
1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78

1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5

4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48

2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8

3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7

3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1

0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000

1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5

9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2

1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9

61-(1.25+2.5×0.7)=61-3=58

[(10-0.8)+9.85]-2÷0.125=19.05-2÷0.125=19.05-16=3.05

408-12×24 = 408 - 288 = 120(46+28)×60 = 74 x 60 = 4440

42×50-17 = 2100- 17 = 2083

32+105÷5 = 32 + 21 = 53

420×(327-238) = 420 x 89 = 37380

(4121+2389)÷7 = 6510 ÷7 = 930

3.416÷(0.016×35) = 3.416 ÷0.56 = 6.1

0.8×[(10-6.76)÷1.2] = 0.8 x(3.24÷1.2) = 0.8 x 2.7 = 2.16

5.67×0.2-0.62 = 1.134-0.62 = 0.514

0.4×0.7×0.25 = 0.4 x 0.25 x 0.7 = 0.1 x 0.7 = 0.07

0.78+5.436+1 = 6.216 +1 = 7.216

30.8÷[14-(9.85+1.07)] = 30.8 ÷ (14 - 10.92) = 30.8÷3.08 = 10

[60-(9.5+28.9)]÷0.18 = (60- 38.4)÷0.18 = 21.6 ÷0.18 = 120

2.881÷0.43-0.24×3.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.86

5.38+7.85-5.37= 13.23 - 5.37=7.86

7.2÷0.8-1.2×5=9 - 6 =3

6-1.19×3-0.43= 6-3.57 - 0.43 = 6- (3.57 + 0.43) = 6-4 = 2

6.5×(4.8-1.2×4)= 6.5 x(4.8 - 4.8 )=6.5 x0 = 0

0.68×1.9+0.32×1.9 = (0.68 + 0.32) x1.9 = 1 x 1.9 = 1.9

10.15-10.75×0.4-5.7 = 10.15 - 4.3 - 5.7 = 10.15 -(4.3 + 5.7)=10.15 - 10 =0.15

5.8×(3.87-0.13)+4.2×3.74 = 5.8 x 3.74 +4.2 x 3.74 = (5.8 +4.2)x3.74 = 10 x 3.74 = 37.4

20×[(2.44-1.8)÷0.4+0.15] = 20x (0.64 ÷0.4 +0.15)= 20x(1.6 +0.15) = 20 x1.75 = 35

28-(3.4+1.25×2.4) = 28 - (3.4 + 3) = 28 - 6.4 = 21.6

2.55×7.1+2.45×7.1 = (2.55 + 2.45) x7.1 = 5 x7.1=35.5

0.8×〔15.5-(3.21+5.79)〕 = 0.8 x (15.5 - 9) = 0.8 x 6.5 = 5.2

(31.8+3.2×4)÷5 = (31.8 + 12.8)÷5 = 44.6÷5 = 8.92

31.5×4÷(6+3) = 126 ÷ 9 = 14

2÷2.5+2.5÷2 = 0.8 + 1.25 =2.05

194-64.8÷1.8×0.9 = 194 -36 x0.9 = 194-32.4 = 161.65180-705×6 = 5180 - 4230=950

24÷2.4-2.5×0.8 =10 -2=8

405×(3213-3189) =405x24 = 9720

125×(97-81) =125x16 =2000

6942+480÷3 = 6942 + 160 = 6782

20+80÷4-20 = 20 + 20 -20 = 40 -20 = 20

100÷(32-30)×0 = 100 ÷2 x0= 50 x0 = 0

25×4-12×5 = 100 - 60 = 40

70×〔(42-42)÷18〕=70 x (0÷18) = 70x0 = 0

75×65+75×35 = 75 x (65 +35) = 75x100 = 7500

6-1.6÷4= 6- 0.4 = 5.6

32.52-(6+9.728÷3.2)×2.5 = 32.52 - (6+3.04)x2.5 = 32.52 - 9.02 x 2.5 = 32.52 -22.55 = 9.97

(136+64)×(65-345÷23)= 200x(65-15) = 200x 50=10000

脱式计算题50道带答案和过程

1、 1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
2、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
3、1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5
4、4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48
5、2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8
6、3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7
7、3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1
8、0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000
9、1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
10、9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2
11、1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
12、9999×1001=9999×(1000+1)=9999×1000+9999×1=10008999
13、14.8×6.3-6.3×6.5+8.3×3.7=(14.8- 6.5)×6.3+8.3×3.7=8.3×6.3+8.3×3.7=8.3×(6.3+3.7)=8.3×10=83
14、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
15、933-157-43=933-(157+43)=933-200=733
16、4821-998=4821-1000+2=3823
17、32×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=100000
18、1.8+18÷1.5-0.5×0.3=1.8+12-0.15=13.8-0.15=13.65
19、6.5×8+3.5×8-47=52+28-47=80-47
20、3.7x2.56-2.3=9.472-2.3=7.172
21、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
22、1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5
23、4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=48
24、2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/8
25、3/4-(3/7-1/4)=3/4+1/4-3/7=1-3/7=4/7
26、3.2x0.125x2.5=0.125x8x(0.4x2.5)=1x1=1
27、0.4×125×25×0.8=(0.4×25)×(125×0.8)=10×100=1000
28、1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5
29、9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2
30、1.24×8.3+8.3×1.76=8.3×(1.24+1.76)=8.3×3=24.9
31、9999×1001=9999×(1000+1)=9999×1000+9999×1=10008999
32、14.8×6.3-6.3×6.5+8.3×3.7=(14.8-6.5)×6.3+8.3×3.7=8.3×6.3+8.3×3.7=8.3×(6.3+3.7)=8.3×10=83
33、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78
34、933-157-43=933-(157+43)=933-200=733
35、4821-998=4821-1000+2=3823
36、32×125×25=4×8×125×25=(4×25)×(8×125)=100×1000=100000
37、1.8+18÷1.5-0.5×0.3=1.8+12-0.15=13.8-0.15=13.65
38、6.5×8+3.5×8-47=52+28-47=80-47
39、3.7x2.56-2.3=9.472-2.3=7.172
40、1.65×99+1.65 =1.65*(99+1)=1.65*100=165

4年级脱式计算题带答案和过程

因为自控能力较低,基础差 所以就非常会依赖答案,在网上是问不到答案的哈
这种情况反而要更需要独立思考 学习才能进步

五年级下应用题和脱式(要有答案和过程)谢谢了!




50道五年级脱式计算题带过程和答案,有答案和过程的加分,谢谢了。_百 ...
100道五年级脱式计算题带答案和过程都有哪些? 5.4÷1.8+240×1.5=3+360=363 9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875 1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.5 1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78 1\/2-(4\/5-1\/2)=1\/2+1\/2-4\/5=1-4\/5=1\/5 4800÷25÷4=...

拜托20道五年级的脱式计算,带答案,急啊!!!还有25道应用题!!应用题可 ...
脱式计算。408-12×24=120 (46+28)×60 =4440 42×50-1715÷5=1757 32+105÷5=53 (108+47)×52=7904 420×(327-238)=37380 (4121+2389)÷7=930 671×15-974=9091 469×12+1492=7120 405×(3213-3189)=9720 5000-56×23=3712 125×(97-81)=20...

急求五年级脱式计算
脱式计算:1.5×5又3分之1 -4分之3 ÷0.35( 过程)5又7分之3—2又3分之1×1又7分之5加上1又3分之÷9分之2(过程)应用题:1、小王做64个零件用4天,照这样计算,计划生产176个零件用多少天?(比例解)2、某校合唱团,女生是总数的80%,如果调出4名男生,调入4名女生,则男生占...

求30道五年级脱式计算题带答案
=0÷5.1 =18.1+1.7 =0 =19.8 每天十道计算题脱式五年级带答案 题目的话可以在百度文库上面找,题库比较丰富,当然也可以选择在书店选购相应的口算之类的练习册。 每天练几道题对培养孩子计算的细致有帮助。 五年级脱式计算题~急~急~急~(要答案) 2\/1*2=1 3\/1*3=1 3\/2*3=2 3\/1*6=2 4\/3*8=6...

求100道五年级脱式计算题带答案和过程
5.4÷1.8+240×1.5=3+360=363 9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875 1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.51.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78 1\/2-(4\/5-1\/2)=1\/2+1\/2-4\/5=1-4\/5=1\/5 4800÷25÷4=4800÷(...

五年级脱式计算题和简算题,100道有必重谢
=0 =19.8 五年级的脱式计算题和简便计算题,老师让我出,帮帮忙! 1. (25%-695%-12%)*36 2. 3\/4*3\/5+3\/4*2\/5 3. (1-1\/4+8\/9)\/7\/9 4 2\/3+1\/6\/3\/24+2\/21 5 1*8\/15*3\/5 6 10-3\/4\/9\/10-1\/6 7 [(1\/3+1\/2)\/5\/6-1\/3]\/1\/7 8 2\/3\/5+3\/5\/2+3\/4 9 1\/[...

求五年级脱式计算题 带答案 急!!!
\/ =除号 *=乘号 11\/14-3\/14+1\/8 =4.05-(2.8+0.7)=0.55 4.05-2.8-0.7 =4.05-(2.8+0.7)=0.55 212+198 =(200+12)+(100+98)=200+12+100+98 =12+98+100+200 =110+100+200 =410 13.75-(3.75+6.48)=13.75-3.75-6.48 =10-6.48 =3.52 (0.75*42.7...

小学五年级500到脱式计算题
0.125×96 =0.125×(100-4)=0.125×100-0.125×4 =12.5-0.25 =12 2、33333x44444+66666x77778 解析:33333x44444可以变换为66666×22222,提取公约66666,变换为66666×(22222+77778)再用乘法分配律来脱式计算。33333x44444+66666x77778 =33333×2×22222+66666×77778 =66666×22222+...

五年级脱式计算题
5.4÷1.8+240×1.5 9000÷72×(1.25×0.7×8)61-(1.25+2.5×0.7)[(10-0.8)+9.85]-2÷0.125 3^2*3.25678 3^3-5 12+5268.32-2569 123+456-52*8 789+456-78 181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125)(2130+783+270)+1017 ...

五年级下册分数脱式计算题及答案
2.881÷0.43-0.24×3.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.86 【简便计算】简便计算是一种特殊的计算,它运用了运算定律与数字的基本性质,从而使计算简便,使一个很复杂的式子变得很容易计算出得数。【脱式计算】即递等式计算,需将一系列的数字逐步计算。在脱式计算中要先算...

望城县18082603334: 150道五年级脱式计算题越多越好 -
毋任蠲痹:[答案] 你可以直接搜索 五年级脱式计算题 就会找到相关问题, 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÷...

望城县18082603334: 求五年级50道脱式计算题,要答案 -
毋任蠲痹: 脱式计算. 408-12*24 (46+28)*60 42*50-1715÷5 32+105÷5 (108+47)*52 420*(327-238) (4121+2389)÷7 671*15-974 469*12+1492 405*(3213-3189) 5000-56*23 12...

望城县18082603334: 60道五年级脱式计算题带答案和过程,谢谢. -
毋任蠲痹:[答案] 能带过程和答案吗?谢谢.有点着急快没时间了,能16:20之前发吗?

望城县18082603334: ·求,5年级脱式计算题125道,要答案 -
毋任蠲痹:[答案] ①2700*(506-499)÷900 ②33.02-(148.4-90.85)÷2.5 =2700*7÷900 =33.02-57.55÷2.5 =18900÷900 =33.02-23.02 =21 =10 ③(1÷1-1)÷5.1 ④18.1+(3-0.299÷0.23)*1 =(1-1)÷5.1 =18.1+1.7X1 =0÷5.1 =18.1+1.7 =0 =19.8

望城县18082603334: 五年级异分母加减法 ,20道口算,20道脱式计算,脱式一定要有简便方法,也不要出没水平的题! -
毋任蠲痹:[答案] 3/4-1/2= 1-1/8= 11/12-1/6= 1/5+1/4= 1/2-1/3= 5/6-1/3= 3-5/6=

望城县18082603334: 五年级上脱式计算题有答案急!带过程 -
毋任蠲痹:[答案] 408-12*24 = 408 - 288 = 120(46+28)*60 = 74 x 60 = 444042*50-17 = 2100- 17 = 208332+105÷5 = 32 + 21 = 53420*(327-238) = 420 x 89 = 37380(4121+2389)÷7 = 6510 ÷7 = 9303.416÷(0.016*35)...

望城县18082603334: 脱式计算、解方程,各八十道.小学五年级的数学题.谢谢了,必采.带答案. -
毋任蠲痹:[答案] 建议买一本《尖子生题库》,因为题库里面的题很全,每个课时都有两到三页的题,有的是脱式,有的是方程,当然也有应用题.

望城县18082603334: 50道计算题、五年级、方程、脱试、但是要答案·如47*520+530*52=470*52+530*52=1000*552000··要地等·写完一题空一行 -
毋任蠲痹:[答案] 30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24*3.5 20*[(2.44-1.8)÷0.4+0.15]28-(3.4+1.25*2.4) 2.55*7.1+2.45*7.1777*9+1111*3 0.8*〔15.5-(3.21+5.79)〕(31.8+3.2*4...

望城县18082603334: 五年级脱式计算题,包括还有简便计算,10道要10道稍微难一点的脱式计算! -
毋任蠲痹:[答案] 脱式计算(能简算要简算)6/7+2/15+1/7+13/15 19/21+5/7-3/14 2/3+5/9-2/3+5/98/9+(1/4-1/9)+3/4 0.58+5/13+1.12+8/13 11-4/11-7/1122+55÷11-2/8 1/7+33.5+6/7-3.5 7.09-5/12+12.03-7/1214/15-(6/15 +...

望城县18082603334: 五年级分数脱式计算题带答案只有加减 -
毋任蠲痹:[答案] 2/3-2/5+2/4= 5/7+7/5+7/2-5/2= 6/8-6/5+2/5= 5/8-6/4-2/7+7/5= 2/8+5/9-3/5= 8/7-3/2+3/4= 9/5-2/1+3/5= 6/7-5/2+7/5= 8/5-8/3+6/5= 9/2+5/4+9/8-5/4= 6/7-2/8+3/7= /37+2/8-9/1= 2/1+3/2-4/3= 5/7-2/7+3/8= 2/5-3/4-3/2+2/9= 8/7+9/1-7/4= 9/5+4/7-8/5= 7/6+3/2...

本站内容来自于网友发表,不代表本站立场,仅表示其个人看法,不对其真实性、正确性、有效性作任何的担保
相关事宜请发邮件给我们
© 星空见康网