六年级解比例方程100道?(2)提问:这道题分配的是什么?按照什么进行分配?(这道题分配的是49份报纸,按照3∶4的比例分给六一班和六二班。)(3)独立完成。组员之间互相检验。3.学习例3。例3 学校把栽280棵树的任务,那么,六年级解比例方程100道?一起来了解一下吧。
四、计算题。(共20分)
1、 直接写出得数。(每题0.5分)
1460÷4= 0÷14987794515415 = 0.375×0.625= × =
1÷124 = 124÷4 = 5×20%÷5×20%= 124 -102 =
2、 解下列方程。(每题2分)
12x- x=451 50%x-1.2×12 =1.6
3、 脱式计算。(能简算的要简算。)(每题3分)
( 1245-1226.1 )×2 ÷3 1÷(128-12 )×17.2
12.78-0÷( 13.4+156.6 ) 12457÷〔 14578-( 145+248 )×13.4
4、 列式计算。(每题3分)
(1) 57与31 的积,等于一个数的50%,这个数是多少?
(2)12与851 的积除以它们的差,商是多少?
五、应用题。(第一题4分,2—5题每题5分)
1宇花小学搞基建,原计划投资400万元,实际比原计划节约了10%,实际节约了多少万元?
2、六(1)班有女生20人,相当于男生的 ,全班共有学生多少人?
3、打一份稿件,甲单独打要18小时完成,乙单独打要12小时完成,两人和打几小时可打这份稿件的 ?
4、修一条路,第一天修了全长的 ,第二天修了30米,这时已修的和剩下的比是3∶4。
1、解咐穗比例
11:衡雀卜x=3:12x:10%=3:0.4
7:2.8 =32:岁昌x12.56:4=x:12
(312.5%-3.125)×(1239×1241)1÷(1/4-1/6) ×1/9
15-4.25×2.5 5.4×7.09-5.4×0.09
4.25×4/25×4
57.26-(5.26-1.5)
106.25+3.85-2.125+3.875
11.9-2456×21
5/11-4×2.75
13.375+5.75+2.25+6.625
(15.1-9036)÷18
163.8×5.25+14.5
172.1×4.3+5.7×2.1
19.102×45-328
2.8×3.1+16/8
23÷(50-12.5) ÷2.5
24×2/5×1/3
25.6÷110×47+639
3.5×2.7-52.2/18
28-1/7×1/5
3.375×0.97+0.97×6.625
6.54+2.4+3.46+0.6
95.6×1.8+95.6×8.2
35.6-420/12×4
344/3.6-5.4×0.25
16/2+30/2+90/6
5000-105×34
0.15/0.25+0.75×1.2
41×(1/2+1/3+1/4)×0.24
42×(25+4)×4
3×63/21-84
0.81/0.25+5.96×5
403÷13×27
46.1.5×4.2-0.75÷0.25
3.27×4 +3.27×5.7
(1.2+ 1.8)×4.51025-768÷32
0.25×80-0.45÷0.9
50.1025-768÷32
81.2-11÷7-×3=
6696÷62-6.5×10.6 =
2/7×3/9 ÷2/7 =
6756-193-207=
97×360+3×360=
3.4×99+3.4 4.8×1.01 0.4×(搜链嫌2.5÷73)
(1.6+1.6+1.6+1.6)×25 ( + - )÷
12.3-2.45-5.7-4.55 2 + 0.125×0.25×64
64.2×87+0.642×1300 78×36+7.8×741-7 17+ 8
0.125× +0.5 2.42 +4.58 -43
25÷100 4.25-3 -(2 -1 )
(1)1.25*17.6+36.1/0.8+2.36*12.5
1.25*17.6+36.1/0.8+2.36*12.5
=(5/4)*17.6+36.1*(5/4)+23.6*(50/4)
=176/8+361/8+236/8
=773/8=96.625
(2)7.5*2.3+1.9*2.5
7.5*2.3+1.9*2.5
=7.5*(1.9+0.4)+1.9*2.5
=(7.5+2.5)*1.9+7.5*0.4
=19+3 =22
(3)2004/2003*2005
2004/2003*2005
=(2004/2003)*(2003+2)
=2004+4008/2003
(4)276*543-267/276+543*275
276*543-267/276+543*275
=543*(276+275)-267/276
=543*551-267/276
1.125*3+125*5+25*3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/唤兄7 × 5/9 + 3/7 × 5/9
10. 5/2 -( 3/2 + 4/5 )
11. 7/8 + ( 1/8 + 1/9 )
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×( 1/2 + 2/3 )
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - ( 2/7 – 10/21 )
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/世手4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50+160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37(58+37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6+42
40.812-700÷(9+31×11)
41.85+14×(14+208÷26)
43.120-36×4÷18+35
44.(58+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.(3.2×1.5+2.5)÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×(4.8-1.2×4)=
51.5.8×(3.87-0.13)+4.2×3.74
52.32.52-(6+9.728÷3.2)×2.5
53.[(7.1-5.6)×0.9-1.15] ÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370)÷(64-45)
59.420+580-64×21÷28
60.136+6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1+(3-0.299÷0.23)×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.(3.2×1.5+2.5)÷1.6
66.3.2×6+(1.5+2.5)÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×(3.87-0.13)+4.2×3.74
70.32.52-(6+9.728÷3.2)×2.5
71.[(7.1-5.6)×0.9-1.15] ÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02-(148.4-90.85)÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
2) 89+456-78
3) 5%+. 3/7 × 49/9 - 4/3
4) 9 × 15/36 + 1/27
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 + 1/4
7) 94÷ 3/8 – 3/8 ÷6
8) 95/7 × 5/9 + 3/7 × 5/9
9) 6/2 -( 3/2 + 4/5 )
10) 8 + ( 1/8 + 1/9 )
11) 8 × 5/6 + 5/6
12) 1/4 × 8/9 - 1/3
13) 10 × 5/49 + 3/14
14) 1.5 ×( 1/2 + 2/3 )
15) 2/9 × 4/5 + 8 × 11/5
16) 3.1 × 5/6 – 5/6
17) 4/7 - ( 2/7 – 10/21 )
18) 19 × 18 – 14 × 2/7
19) 5 × 25/16 + 2/3 × 3/4
20) 4 × 8/7 – 5/6 × 12/15
21) 7/32 – 3/4 × 9/24
22) 1、 2/3÷1/2-1/4×2/5
2、 2-6/13÷9/26-2/3
3、 2/9+1/2÷4/5+3/8
4、 10÷5/9+1/6×4
5、 1/2×2/5+9/10÷9/20
6、 5/9×3/10+2/7÷2/5
7、 1/2+1/4×4/5-1/8
8、 3/4×5/7×4/3-1/2
9、 23-8/9×1/27÷1/27
10、 8×5/6+2/5÷4
11、 1/2+3/4×5/12×4/5
12、 8/9×3/4-3/8÷3/4
13、 5/8÷5/4+3/23÷9/11
23) 1.2×2.5+0.8×2.5
24) 8.9×1.25-0.9×1.25
25) 12.5×7.4×0.8
26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5
0.35×1.6+0.35×3.4
0.25×8.6×4
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9×3-(25-2.5)2×41846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-(3.07+3.65)
(4+0.4×0.25)8×7×1.25
1.65×99+1.65
27.85-(7.85+3.4)
48×1.25+50×1.25×0.2×8
7.8×9.9+0.78
(1010+309+4+681+6)×12
3×9146×782×6×854
5.15×7/8+6.1-0.60625
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
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6
102×4.5
7.8×6.9+2.2×6.9
5.6×0.25
8×(20-1.25)
1)127+352+73+44 (2)89+276+135+33
(1)25+71+75+29 +88 (2)243+89+111+57
9405-2940÷28×21
920-1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2100-94+48×54
51+(2304-2042)×23
4215+(4361-716)÷81
(247+18)×27÷25
36-720÷(360÷18)
1080÷(63-54)×80
(528+912)×5-6178
8528÷41×38-904
264+318-8280÷69
(174+209)×26- 9000
814-(278+322)÷15
1406+735×9÷45
3168-7828÷38+504
796-5040÷(630÷7)
285+(3000-372)÷36
1+5/6-19/12
3x(-9)+7x(-9
(-54)x1/6x(-1/3)
1.18.1+(3-0.299÷0.23)×1
2.(6.8-6.8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.8
4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
5.6-1.6÷4= 5.38+7.85-5.37=
6.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
7.6.5×(4.8-1.2×4)=
0.68×1.9+0.32×1.9=
8.10.15-10.75×0.4-5.7=
9.5.8×(3.87-0.13)+4.2×3.74=
10.32.52-(6+9.728÷3.2)×2.5=
11.[(7.1-5.6)×0.9-1.15] ÷2.5=
12.5.4÷[2.6×(3.7-2.9)+0.62]=
13.12×6÷(12-7.2)-6=
14.12×6÷7.2-6 =
15.33.02-(148.4-90.85)÷2.5=
(一)
1. 3.375+5.75+2.25+6.625
2. 72 ÷9
3. 1001-9036÷18
4. 3.8×5.25+14.5
5.
6.
7. 50减去12.5的差,除以2.5商是多少?
8. 某数的6倍与4 的和等于19.25,求某数。
0.3:2X=1:6
2X=1.8
X=0.9
50—X/4=0。8:1/卖派2
25-X/2=3.2
X/猛指2=25-3.2
X=43.6
49:(10—X)=14:2
140-14X=98
14X=42
X=3
1/15:1/5=1/X:1/枝配配3
15/5=X/3
X=9
X:9=4:3
3/4:X=3:24
2.7:X=0.9:0.6
1.5:1/2=X:1/4
9/2:4/5=10:X
X:0.15=3.6:0.9
3.5:X=8:9
8.4:0.5=X:2
1/绝喊谈10:X=1/5:1/并碰4
X:渗余45=57:135
20:x=10:7
24:4=x:7
x/3=24/8
(x+2):8=10:9
9x=1x1.8
以上就是六年级解比例方程100道的全部内容,1.X=75*12/2.5=360 2.x=13*20/8=32.5 3.X=15*6*4/9=40 4.X=2*0.15/0.6=0.5 5.X=8*9/2=36 记住此类方程式是A:B=1:2时,可以化为1B=2A.也就是等号两内项相乘=两外项相乘。