六年级数学题
3.5/1又3分之1+6.5*(12*1又3分之1-0.3)—0.15=?(7又18分之5—6又15分之11)/(2又25分之14+1.35)=?(14.8+(3又7分之...
3.5/1又3分之1+6.5*(12*1又3分之1-0.3)—0.15=?
(7又18分之5—6又15分之11)/(2又25分之14+1.35)=?
(14.8+(3又7分之2—1.5)*1又25分之3)/4.2=?
((9.25—7.6)/2又4分之3)/((3分之1+12分之1)*1又7分之5)=?
3又20分之17*(6—7分之6)/6.25/(4.2*7分之4+1又3分之1/12分之7)=?
(10.75—4又11分之7/(1.125+12分之1)/(2.25/10又12分之10))=?
1.25*5+(24分之1+14分之3*2+(1又12分之7—0.625))*0.7+1.875/7.5=? 展开
(7又18分之5—6又15分之11)/(2又25分之14+1.35)=?
(14.8+(3又7分之2—1.5)*1又25分之3)/4.2=?
((9.25—7.6)/2又4分之3)/((3分之1+12分之1)*1又7分之5)=?
3又20分之17*(6—7分之6)/6.25/(4.2*7分之4+1又3分之1/12分之7)=?
(10.75—4又11分之7/(1.125+12分之1)/(2.25/10又12分之10))=?
1.25*5+(24分之1+14分之3*2+(1又12分之7—0.625))*0.7+1.875/7.5=? 展开
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3.5/1又3分之1+6.5*(12*1又3分之1-0.3)—0.15
=3.5÷ (4/3)+6.5*[12*(4/3)-0.3]-0.15
=2.625+102.05-0.15
=104.525
(7又18分之5—6又15分之11)/(2又25分之14+1.35)
=(131/18-101/15)÷ (64/25+1.35)
=0.14
(14.8+(3又7分之2—1.5)*1又25分之3)/4.2
=[14.8+(23/7-1.5)*28/25]÷ 4.2
=4
((9.25—7.6)/2又4分之3)/((3分之1+12分之1)*1又7分之5)
=[1.65/(11/4)]÷ [(5/12)*(12/7)]
=0.6÷ (5/7)
=0.84
3又20分之17*(6—7分之6)/6.25/(4.2*7分之4+1又3分之1/12分之7)
=(77/20)*(36/7)÷ 6.25÷ (2.4+2.286)
=0.676
(10.75—4又11分之7/(1.125+12分之1)/(2.25/10又12分之10))
=10.75-(51/11)÷ 1.208÷ 0.208
=10.75-18.452
=-7.702
1.25*5+(24分之1+14分之3*2+(1又12分之7—0.625))*0.7+1.875/7.5
=6.25+[(1/24)+(3/14)*2+(19/12-0.625)]*0.7+1.875/7.5
=6.25+1.4286*0.7+0.25
=7.50
终于算完了,告诉一下,比如说(3/4)就是代表4分之3
=3.5÷ (4/3)+6.5*[12*(4/3)-0.3]-0.15
=2.625+102.05-0.15
=104.525
(7又18分之5—6又15分之11)/(2又25分之14+1.35)
=(131/18-101/15)÷ (64/25+1.35)
=0.14
(14.8+(3又7分之2—1.5)*1又25分之3)/4.2
=[14.8+(23/7-1.5)*28/25]÷ 4.2
=4
((9.25—7.6)/2又4分之3)/((3分之1+12分之1)*1又7分之5)
=[1.65/(11/4)]÷ [(5/12)*(12/7)]
=0.6÷ (5/7)
=0.84
3又20分之17*(6—7分之6)/6.25/(4.2*7分之4+1又3分之1/12分之7)
=(77/20)*(36/7)÷ 6.25÷ (2.4+2.286)
=0.676
(10.75—4又11分之7/(1.125+12分之1)/(2.25/10又12分之10))
=10.75-(51/11)÷ 1.208÷ 0.208
=10.75-18.452
=-7.702
1.25*5+(24分之1+14分之3*2+(1又12分之7—0.625))*0.7+1.875/7.5
=6.25+[(1/24)+(3/14)*2+(19/12-0.625)]*0.7+1.875/7.5
=6.25+1.4286*0.7+0.25
=7.50
终于算完了,告诉一下,比如说(3/4)就是代表4分之3
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3.5/1又3分之1+6.5*(12*1又3分之1-0.3)—0.15
=3.5/(4/3)+6.5*(12*4/3-0.3)—0.15
=3.5*3/4+6.5*(16-0.3)—0.15
=2.625+104-1.95—0.15
=104.825
(7又18分之5—6又15分之11)/(2又25分之14+1.35)
=(7+5/18—6-11/15)/(2+14/25+1+35/100)
=(5/18+4/15)/(3+56/100+35/100)
=((75+72)/270)/(391/100)
=147/270 * 100/391
=490/3519
(14.8+(3又7分之2—1.5)*1又25分之3)/4.2
=(74/5+(3+2/7-3/2)*28/25)/4.2
=(370/25+84/25+8/25-42/25)/4.2
=(370/25+50/25)/4.2
=420/25 /4.2
=100/25
=4
((9.25—7.6)/2又4分之3)/((3分之1+12分之1)*1又7分之5)
= (1.65/2.75)/((1/3+1/12)*12/7)
= (3/5)/(4/7+1/7)
= (3/5)/(5/7)
=21/25
3又20分之17*(6—7分之6)/6.25/(4.2*7分之4+1又3分之1/12分之7)
=77/20*(42/7—6/7)/6.25/(21/5*4/7+4/3*7/12)
=(77/20*36/7)/(25/4)/(21/5*4/7+4/3*7/12)
=9/5 *4/25/(12/5+7/9)
=(36/125)/(143/45)
=36/125 *45/143
=324/3575
(10.75—4又11分之7/(1.125+12分之1)/(2.25/10又12分之10))
=(10.75—(51/11) /(9/8+1/12)/(9/4 / (65/6)) )
=(10.75—(51/11)*(24/29) /(9/4 * 6/65) )
=(10.75—1224/319 /(27/130) )
=(10.75—1224/319 *130/27 )
=(10+3/4—10-8110/957 )
=-29569/3828
1.25*5+(24分之1+14分之3*2+(1又12分之7—0.625))*0.7+1.875/7.5
=6.25+(1/24+3/7+(19/12—5/8)*0.7+1875/7500
=6.25+(1/24+3/7+23/24)*7/10+1/4
=6.5+(10/7)*7/10
=6.5+1
=7.5
=3.5/(4/3)+6.5*(12*4/3-0.3)—0.15
=3.5*3/4+6.5*(16-0.3)—0.15
=2.625+104-1.95—0.15
=104.825
(7又18分之5—6又15分之11)/(2又25分之14+1.35)
=(7+5/18—6-11/15)/(2+14/25+1+35/100)
=(5/18+4/15)/(3+56/100+35/100)
=((75+72)/270)/(391/100)
=147/270 * 100/391
=490/3519
(14.8+(3又7分之2—1.5)*1又25分之3)/4.2
=(74/5+(3+2/7-3/2)*28/25)/4.2
=(370/25+84/25+8/25-42/25)/4.2
=(370/25+50/25)/4.2
=420/25 /4.2
=100/25
=4
((9.25—7.6)/2又4分之3)/((3分之1+12分之1)*1又7分之5)
= (1.65/2.75)/((1/3+1/12)*12/7)
= (3/5)/(4/7+1/7)
= (3/5)/(5/7)
=21/25
3又20分之17*(6—7分之6)/6.25/(4.2*7分之4+1又3分之1/12分之7)
=77/20*(42/7—6/7)/6.25/(21/5*4/7+4/3*7/12)
=(77/20*36/7)/(25/4)/(21/5*4/7+4/3*7/12)
=9/5 *4/25/(12/5+7/9)
=(36/125)/(143/45)
=36/125 *45/143
=324/3575
(10.75—4又11分之7/(1.125+12分之1)/(2.25/10又12分之10))
=(10.75—(51/11) /(9/8+1/12)/(9/4 / (65/6)) )
=(10.75—(51/11)*(24/29) /(9/4 * 6/65) )
=(10.75—1224/319 /(27/130) )
=(10.75—1224/319 *130/27 )
=(10+3/4—10-8110/957 )
=-29569/3828
1.25*5+(24分之1+14分之3*2+(1又12分之7—0.625))*0.7+1.875/7.5
=6.25+(1/24+3/7+(19/12—5/8)*0.7+1875/7500
=6.25+(1/24+3/7+23/24)*7/10+1/4
=6.5+(10/7)*7/10
=6.5+1
=7.5
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3.5÷1又3分之1+6.5×[12×(1又3分之1-0.3)-0.15]
=3.5÷1又3分之1+6.5×[12×31/30-0.15]
=3.5×3/4+6.5×24.8
=2.625+161.2
=163.825
441/3016
(14.8+(3又7分之2—1.5)*1又25分之3)/4.2
=(74/5+(3+2/7-3/2)*28/25)/4.2
=(370/25+84/25+8/25-42/25)/4.2
=(370/25+50/25)/4.2
=420/25 /4.2
=100/25
=4
((9.25—7.6)/2又4分之3)/((3分之1+12分之1)*1又7分之5)
= (1.65/2.75)/((1/3+1/12)*12/7)
= (3/5)/(4/7+1/7)
= (3/5)/(5/7)
=21/25
1/6=1/(2*3)=1/2-1/3;
1/12=1/(3*4)=1/3-1/4;
同理一直推到
1/90=1/(9*10)=1/9-1/10;
所以所有分数部分之和为 1/2-1/10=0.4
整数部分之和为1+3+5+7+。。。+17
这个是个等差数列,最小为1,最大为17,共九项 ,
和为(1+17)/2*9=81。
所以总和为81.4
2.625
1.25*5+(24分之1+14分之3*2+(1又12分之7—0.625))*0.7+1.875/7.5
=6.25+(1/24+3/7+(19/12—5/8)*0.7+1875/7500
=6.25+(1/24+3/7+23/24)*7/10+1/4
=6.5+(10/7)*7/10
=6.5+1
=7.5
=3.5÷1又3分之1+6.5×[12×31/30-0.15]
=3.5×3/4+6.5×24.8
=2.625+161.2
=163.825
441/3016
(14.8+(3又7分之2—1.5)*1又25分之3)/4.2
=(74/5+(3+2/7-3/2)*28/25)/4.2
=(370/25+84/25+8/25-42/25)/4.2
=(370/25+50/25)/4.2
=420/25 /4.2
=100/25
=4
((9.25—7.6)/2又4分之3)/((3分之1+12分之1)*1又7分之5)
= (1.65/2.75)/((1/3+1/12)*12/7)
= (3/5)/(4/7+1/7)
= (3/5)/(5/7)
=21/25
1/6=1/(2*3)=1/2-1/3;
1/12=1/(3*4)=1/3-1/4;
同理一直推到
1/90=1/(9*10)=1/9-1/10;
所以所有分数部分之和为 1/2-1/10=0.4
整数部分之和为1+3+5+7+。。。+17
这个是个等差数列,最小为1,最大为17,共九项 ,
和为(1+17)/2*9=81。
所以总和为81.4
2.625
1.25*5+(24分之1+14分之3*2+(1又12分之7—0.625))*0.7+1.875/7.5
=6.25+(1/24+3/7+(19/12—5/8)*0.7+1875/7500
=6.25+(1/24+3/7+23/24)*7/10+1/4
=6.5+(10/7)*7/10
=6.5+1
=7.5
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我可以会所你在耍人了。
10.75—4又11分之7/(1.125+12分之1)/(2.25/10又12分之10))=?
就这个
10.75—4又11分之7/(1.125+12分之1)/(2.25/10又12分之10))=?
就这个
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