六年级简便计算50道带答案能写多少算多少

Answer 1

34×3.535-3.5×34.34
=34×3.5×1.01-3.5×34×1.01
=0
8+89+899+8999+89999
=9+90+900+9000+90000-5
=99999-5
=99994
0.67×2.1+0.018×21+8.5×0.79
=0.67×2.1+0.18×2.1+8.5×0.79
=(0.67+0.18)×2.1+8.5×0.79
=0.85×2.1+0.85×7.9
=0.85×(2.1+7.9)
=0.85×10
=8.5
22222.2×9.99999
=22222.2×(10-0.00001)
=222222-0.222222
=222221.777778
1997×19961996-1996×19971997
=1997×1996×10001-1996×1997×10001
=0
0.02+0.04+0.06+0.08+……+19.94+19.96+19.98
=(0.02+19.98)×999÷2
=10×999
=9990
99999×77778+33333×66666
=99999×77778+99999×22222
=99999×(77778+22222)
=99999×100000
=9999900000
(4又5/6-3又3/4)/(3/14+2/7)
=13/12÷1/2
=13/6
=2又1/6
(4.8/1又4/5+3又1/2+7又1/3)*4/9
=(2又2/3+7又1/3+3.5)*4/9
=(10+3.5)*4/9
=13.5*4/9
=6
17.2/【(3又2/5-1.25)*2/3】
=17.2/【2.15*2/3】
=17.2÷43/3
=1.2
5*5又1/5
=5*5+5*1/5
=25+1
=26
(5又2/5-1.8)/[(1.15+13/20)*1又2/3]
=3.6/[1.8*5/3]
=3.6/3
=1.2
3又5/8*5又1/5+5又1/5*6又3/8
=5.2*(3又5/8+6又3/8)
=5.2*10
=52
[3/4-7/8/(5/6+4/5)]*28
=[3/4-7/8÷49/30]*28
=[3/4-15/28]*28
=3/4*28-15/28*28
=21-15
=6
(1.25*4/5-0.76)/(1又3/8+1又1/40)
=(1-0.76)/2.4
=0.24/2.4
=0.1
[(0.2+1/3)*4.5]/(8又1/20-6.45)
=8/15*4.5/1.6
=2.4/1.6
=1.5
x+3又2/3=5
x*9又3/4=7又1/11 x/2/5=10
6又2/3-x=4.25 6.4*1.7+6又2/5*8.3
(4又6/7+1.75)/1又11/14+3又5/6
2.16-7x=0.06
1/2x-0.5=5又1/2
8.16-1.26/0.3*1.5
=8.16-4.2*1.5
=8.16-6.3
=1.86
8.4*[(1.2+3又1/3)/3.4-1/2]
=8.4*[68/16/3.4-1/2]
=8.4*[5/4-1/2]
=8.4*3/4
=6.3
5.8:x=3又1/2:7
3.5x=7*5.8
x=7/3.5*5.8
x=2*5.8
x=11.6
3/10*55-4x=14.5
16.5-4x=14.5
4x=2
x=0.2
19.38-4又7/8-5又1/8
=1.938-(4又7/8+5又1/8)
=19.38-10
=9.38
13又7/13-(6又3/5+3又7/13)
=13又7/13-3又7/13-6又3/5
=10-6又3/5
=3.4
1又3/4+[2又3/14-(2又3/14-1.875)]/2又1/12
=1又3/4-15/8*12/25
=1又3/4-9/10
=0.85
(9.4-8又2/5)/[(1.1+1/15)*1又7/18]
=1/[7/6*25/18]
=1÷175/108
=108/175
编辑于 2017-02-22
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六年级简便计算50道带答案
1．6＋7＋8＋9＋…＋48 =(6＋48)×( 48－6＋1)÷2 =1161 2．1－2＋3－4＋5－…－2008＋2009 =2009－2008＋2007－2006＋…＋5－4＋3－2＋1 =(2009－2008)＋(2007－2006)＋…＋(5－4)＋(3－2)＋1 =1×(2009-1)÷2＋1=1005 3．1＋2＋3－4＋5＋6＋7－8＋9＋…＋85＋86＋87－88 =(1＋2＋3－4)＋(5＋6＋7－8)＋9＋…＋(85＋86＋87－88) =2＋10＋18＋…＋170 =(2＋170)×(88÷4)÷2 =172×11 =1892 4．1988－1985＋1982－1979＋…＋8－5＋2 =（1988－1985)＋(1982－1979)＋…＋(8－5)＋2 =3×[(1988-5)÷3＋1]÷2＋2 =3×331＋2 =995 5．1999－1996＋1993－1990＋…－10＋7－4＋1 =(1999－1996)＋(1993－1990)＋…－10＋(7－4)＋1 =3×[(1999－4)÷3＋1]÷2＋1 =3×333＋1 =1000 6. 1999×19981997－1997×19981999 =1999×(19980000＋1997)－1997×(19980000＋1999) =1999×19980000＋1999×1997－[1997×19980000＋1997×1999] =1999×19980000＋1999×1997－1997×19980000－1997×1999 =(1999－1997)×19980000 =39960000 7.1035-998 8.5076＋99 9.3008＋449 10.428×25×4 11.328-189-28 12.43.2-（3.2-1.28） 13.25×2×1.25×4×5×8 14.84×0.25＋16÷4 15.5731-（731-525）=5731-731-525 =5000-525 =4475 7~14答案37。5175。2559。42800。111。10000。25 一点一点大的。。。不容易啊
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六年级的数学简便计算题和解方程各50道，要有分数的，要有答案，谢谢!!
1.3/7 × 49/9 - 4/3 2.8/9 × 15/36 + 1/27 3.12× 5/6 – 2/9 ×3 4.8× 5/4 + 1/4 5.6÷ 3/8 – 3/8 ÷6 6.4/7 × 5/9 + 3/7 × 5/9 7.5/2 -（ 3/2 + 4/5 ） 8.7/8 + （ 1/8 + 1/9 ） 9.9 × 5/6 + 5/6 10.3/4 × 8/9 - 1/3 11.7 × 5/49 + 3/14 12.6 ×（ 1/2 + 2/3 ） 13.8 × 4/5 + 8 × 11/5 14.31 × 5/6 – 5/6 15.9/7 - （ 2/7 – 10/21 ） 16.5/9 × 18 – 14 × 2/7 17.4/5 × 25/16 + 2/3 × 3/4 18.14 × 8/7 – 5/6 × 12/15 19.17/32 – 3/4 × 9/24 20.3 × 2/9 + 1/3 21.5/7 × 3/25 + 3/7 22.3/14 ×× 2/3 + 1/6 23.1/5 × 2/3 + 5/6 24.9/22 + 1/11 ÷ 1/2 25.5/3 × 11/5 + 4/3 26.45 × 2/3 + 1/3 × 15 27.7/19 + 12/19 × 5/6 28.1/4 + 3/4 ÷ 2/3 29.8/7 × 21/16 + 1/2 30.101 × 1/5 – 1/5 × 21
47赞·1,174浏览2018-02-16
六年级简便运算题50道
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 I32×125×25 =4×8×125×25 =（4×25）×（8×125） =100×1000 =100000 9048÷268 =（2600+2600+2600+1248）÷26 =2600÷26+2600÷26+2600÷26+1248÷269 =100+100+100+48 =348 2881÷ 43 =（1290+1591）÷ 434 =1290÷43+1591÷43 =30+37 3.2×42.3×3.75-12.5×0.423×16 =3.2×42.3×3.75-1.25×42.3×1.6 =42.3×(3.2×3.75-1.25×1.6) =42.3×(4×0.8×3.75-1.25×4×0.4) =42.3×(4×0.4×2×3.75-1.25×4×0.4) =42.3×(4x0.4x7.5-1.25x4x0.4) =42.3×[4×0.4×(7.5-1.25)] =42.3×[4×0.4×6.25] =42.3×(4×2.5) =4237 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 (80-9.8)×5分之2-1.32 =70.2X2/5-1.32 =28.08-1.32 =26.76 8×7分之4÷[1÷(3.2-2.95)] =8×4/7÷[1÷0.25] =8×4/7÷4 =8/7 2700×（506－499）÷900 =2700×7÷900 =18900÷900 =21 33.02－（148.4－90.85）÷2.5 =33.02－57.55÷2.5 =33.02－23.02 =10 （1÷1－1）÷5.1 =（1－1）÷5.1 =0÷5.1 =0 18.1＋（3－0.299÷0.23）×1 =18.1＋1.7×1 =18.1＋1.7 =19.8

Answer 2

34×3.535-3.5×34.34
=34×3.5×1.01-3.5×34×1.01
=0
8+89+899+8999+89999
=9+90+900+9000+90000-5
=99999-5
=99994
0.67×2.1+0.018×21+8.5×0.79
=0.67×2.1+0.18×2.1+8.5×0.79
=(0.67+0.18)×2.1+8.5×0.79
=0.85×2.1+0.85×7.9
=0.85×(2.1+7.9)
=0.85×10
=8.5
22222.2×9.99999
=22222.2×(10-0.00001)
=222222-0.222222
=222221.777778
1997×19961996-1996×19971997
=1997×1996×10001-1996×1997×10001
=0
0.02+0.04+0.06+0.08+……+19.94+19.96+19.98
=(0.02+19.98)×999÷2
=10×999
=9990
99999×77778+33333×66666
=99999×77778+99999×22222
=99999×(77778+22222)
=99999×100000
=9999900000

(4又5/6-3又3/4)/(3/14+2/7)
=13/12÷1/2
=13/6
=2又1/6
(4.8/1又4/5+3又1/2+7又1/3)*4/9
=(2又2/3+7又1/3+3.5)*4/9
=(10+3.5)*4/9
=13.5*4/9
=6
17.2/【(3又2/5-1.25)*2/3】
=17.2/【2.15*2/3】
=17.2÷43/3
=1.2
5*5又1/5
=5*5+5*1/5
=25+1
=26
(5又2/5-1.8)/[(1.15+13/20)*1又2/3]
=3.6/[1.8*5/3]
=3.6/3
=1.2
3又5/8*5又1/5+5又1/5*6又3/8
=5.2*(3又5/8+6又3/8)
=5.2*10
=52
[3/4-7/8/(5/6+4/5)]*28
=[3/4-7/8÷49/30]*28
=[3/4-15/28]*28
=3/4*28-15/28*28
=21-15
=6
(1.25*4/5-0.76)/(1又3/8+1又1/40)
=(1-0.76)/2.4
=0.24/2.4
=0.1
[(0.2+1/3)*4.5]/(8又1/20-6.45)
=8/15*4.5/1.6
=2.4/1.6
=1.5
x+3又2/3=5
x*9又3/4=7又1/11 x/2/5=10
6又2/3-x=4.25 6.4*1.7+6又2/5*8.3
(4又6/7+1.75)/1又11/14+3又5/6
2.16-7x=0.06
1/2x-0.5=5又1/2
8.16-1.26/0.3*1.5
=8.16-4.2*1.5
=8.16-6.3
=1.86
8.4*[(1.2+3又1/3)/3.4-1/2]
=8.4*[68/16/3.4-1/2]
=8.4*[5/4-1/2]
=8.4*3/4
=6.3
5.8:x=3又1/2:7
3.5x=7*5.8
x=7/3.5*5.8
x=2*5.8
x=11.6
3/10*55-4x=14.5
16.5-4x=14.5
4x=2
x=0.2
19.38-4又7/8-5又1/8
=1.938-(4又7/8+5又1/8)
=19.38-10
=9.38
13又7/13-(6又3/5+3又7/13)
=13又7/13-3又7/13-6又3/5
=10-6又3/5
=3.4
1又3/4+[2又3/14-(2又3/14-1.875)]/2又1/12
=1又3/4-15/8*12/25
=1又3/4-9/10
=0.85
(9.4-8又2/5)/[(1.1+1/15)*1又7/18]
=1/[7/6*25/18]
=1÷175/108
=108/175