80:24 0.5:0.2 0. 15:2 1 36: 18 13:9 1 3: 12 1.0 1: 10 1 2 1 :24 36:72 20:40 89.5:2 10.5:2 1 3. 14:28.26 4 1.23:4 123 15:0. 12 10: 120 123:3 65: 13 3: 1 42:54 、
Simplified ratio
24:27 12: 18 45:54 3 1:6 1 2 1:28 20:30 5:75 12:2 30:2 1 35:70 2:300
equation
X-2/7X=3/4
70%X + 20%X = 3.6
25% + 10X =4/5
X - 15%X = 68
X+3/8 X= 12 1
5X-3×5/2 1 = 5/ 1 1
6X+5 = 13.4
x \u( 6/35)=(26/45)×( 13/25)
2(x-0.6)=4
(0.5+x)+x=9.8÷2
2(X+X+0.5)=9.8
25000+x=6x
Help to solve 20 simple calculations, 10 disjunction, 10 equation, 5 simplified ratios and 5 ratios. Attached answer ~ aliasing calculation.
408- 12×24 (46+28)×60 42×50- 17 15÷5
32+ 105÷5 ( 108+47)×52 420×(327-238)
(4 12 1+2389)÷7 67 1× 15-974 469× 12+ 1492
405×(32 13-3 189) 5000-56×23 125×(97-8 1)
6942+480÷3 304×32- 154 20+80÷4-20=
100÷(32-30)×0= 25×4- 12×5=
70×〔(42-42)÷ 18〕= 75×65+75×35=
Calculate the following questions in a simple way.
1、89+ 124+ 1 1+26+48 2、875- 147-23
3.25× 125×40×8 4、 147×8+8×53
5、 125×64 6、0.9+ 1.08+0.92+0. 1
Calculate in a simple way
①89+ 124+ 1 1+26+48 ②875- 147-23
③ 147×8+8×53 ④ 125×64
Calculate the following questions.
1.280+840÷24×5 2.85×(95- 1440÷24)
3.58870÷( 105+20×2) 4.80400-(4300+870÷ 15)
5. 1437×27+27×563 6.8 1432÷( 13×52+78)
7. 125×(33- 1) 8.37.4-(8.6+7.24-6.6)
Do the math. ( 1∶ 1)
( 1) 156× 107-7729 (2)37.85-(7.85+6.4)
75÷〔 138÷( 100-54)〕 85×(95- 1440÷24)
80400-(4300+870÷ 15) 240×78÷( 154- 1 15)
1437×27+27×563 〔75-( 12+ 18)〕÷ 15
2 160÷〔(83-79)× 18〕 280+840÷24×5
325÷ 13×(266-250) 85×(95- 1440÷24)
58870÷( 105+20×2) 1437×27+27×563
8 1432÷( 13×52+78) [37.85-(7.85+6.4)] ×30
156×[( 17.7-7.2)÷3] (947-599)+76×64
36×(9 13-276÷23) [ 192-(54+38)]×67
[(7. 1-5.6)×0.9- 1. 15]÷2.5 8 1432÷( 13×52+78)
Calculate 15 solution ratio, 5 equation solutions 10 simplified ratio, 5 percentage application problems, and 5 equation solutions 10 chicken-rabbit cage application problems.
7(2x- 1)-3(4x- 1)= 4(3x+2)- 1；
(5y+ 1)+( 1-y)=(9y+ 1)+( 1-3y)；
20%+( 1-20%)(320-x)= 320×40%
2(x-2)+2=x+ 1
2(x-2)-3(4x- 1)= 9( 1-x)
1 1x+64-2x = 100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
3/2[2/3( 1/4x- 1)-2]-x = 2
25(x/3-x/2+2/5)-2 = 3/5(x-2/7)+4/9
10 solution ratio
1.38:60=x:30
2.25:40=x:60
3. 1 1:50 = x: 100
4. 18:25=x:75
5.85: 1664=x:6 124
6. Xiaoming walks 6 kilometers every hour from home to the library, 9 kilometers every hour when he comes back, and it takes 3 hours to go back and forth. How many kilometers did Xiaoming walk back and forth?
7. Party A contributes 2,400 yuan and Party B contributes 4,000 yuan, and the joint venture profit is 1.700 yuan. Because Party A was particularly tired, one seventeenth of the profit was taken as a reward, and the rest was distributed in proportion to the principal. How much bonus did Party A and Party B get (bonus amount does not include bonus amount)?
8. A commodity is reduced by 20% first, and then by 10%. The price at this time is 360 yuan. What is the original price of this commodity?
9. It takes 10.6 hours for the scientific experimental artificial earth satellite launched by China to orbit the earth in the air for six weeks, and how many hours does it take to run 14 weeks?
10. 100 g of seawater for a salt drying field can dry 3 g of salt. According to this calculation, if a salt field puts 585,000 tons of seawater at a time, how many tons of salt can it dry out? How many tons of seawater can produce 9 tons of salt?
10 Simple operation
1.7456789-7456788+7456787-7456786+7456785-7456784
2. 158+262+ 138
3.( 18 1+2564)+27 19
4.(375+ 1034)+(966+ 125)
5.7755-(2 187+755)
6.2357- 183-3 17-357
7.32×(25+ 125)
8.83× 102-83×2
9. 123× 18- 123×3+85× 123
10.7300÷25÷4
10 simple channelization ratio
84 points 162 8 points 5: 2 2 points 3 :3 points 4.
6.3: 0.09 8 1: 0.75 0.25: 0.5
6: 2.5 1: 6 12: 5/424: 72 7/ 12: 5/24.
How to find 14 quickly: solve the equation, simplify the ratio, and find the ratio! 7(2x- 1)-3(4x- 1)= 4(3x+2)- 1；
(5y+ 1)+( 1-y)=(9y+ 1)+( 1-3y)；
20%+( 1-20%)(320-x)= 320×40%
2(x-2)+2=x+ 1
2(x-2)-3(4x- 1)= 9( 1-x)
x/3 -5 = (5-x)/2
2(x+ 1)/3 = 5(x+ 1)/6- 1
( 1/5)x+ 1 =(2x+ 1)/4
(5-2)/2 - (4+x)/3 = 1
x/3 - 1 = ( 1-x)/2
(x-2)/2 - (3x-2)/4 =- 1
1 1x+64-2x = 100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
Simplify the following ratios.
(1)56: 1524 (2)30 minutes: 1.5 hours
(3) 15t: 400kg (4) 0.875: 74
Find the ratio of the following ratios.
(1) 9.6: 315 (2) 360kg: 0.45t.
(3)25 cm: 12 m (4)45 minutes: 23 hours
4.2:7/4 120:72 1/7: 1/49 1: 1/3
36 minutes: 1 hour 308 cubic centimeters: 2 cubic decimeters 1 square meter: 4320 square centimeters.
Find the ratio of 80: 24 0.5: 0.20.15: 2136:1813: 913:121:. .5:2 1 3. 14:28.26 4 1.23:4 123 15:0. 12 10: 120 123:3 65: 13 3: 1 42:54
I need 10 channel to solve the equation, 10 channel for simple operation, 10 channel for calculating the ratio, and 10 channel for calculating the simplified ratio and the answer ratio: 2/6: 3/9 4/5: 9/7 0.35: 0.25/kloc-0.
If the comparison is simplified, it would be nice to change the above to comparison.
16 equation, 16 off-design calculation and 16 simplified ratio are for reference only:
( 1)2x+8 = 16 x = 4(2)x/5 = 10 x = 50(3)x+7x = 8 x = 1(4)9x-3x = 6 x = 1
(5)6x-8 = 4x = 2(6)5x+x = 9 x = 2/3(7)7x-8 = 6x = 8(8)4/5x = 20x = 25(9)2x-6 = 12
x = 9( 10)7x+7 = 14 x = 1( 1 1)6x-6 = 0 x = 1( 12)5x+6 = 1 1 x = 1( 13)2x-8 = 10
( 14) 1/2x-8 = 4 x = 24( 15)x-6 = 7 x = 13( 16)3x+7 = 28 x = 7( 17)3x-7 = 26 x = 1 1
( 18)9x-x = 16 x = 2( 19)24x+x = 50x = 2(20)6/7x-8 = 4 x = 14
( 1)( 1-25%)X = 12 X = 16(2)6X-4.8 = 5.28 X = 1.68(3)X-80% X = 42 X = 2 10(4)20% X = 47.36
X = 236.8(5)5x+60 = 180 X = 24(6)X-60% X = 28.2 X = 70.5(7)X \u( 1+32%)= 29 X = 38.28
(8)40%+30% = 28 X = 40(9)( 1-42%)X = 696 X = 1200( 10)60% X÷ 15 = 30 X = 750
Can you help me find 100 solution ratio (solving equations), 100 linear calculation, 100 application problem, 100 channelization simplification ratio, 100 to find the shaded part? Yes, it's all in Baidu library. I suggest you check, not about 100, but more.
Simple calculation of six solutions to the equation, six simplified ratios and four ratio ratios, and 8*4+52*4+ 15*8= in grade six.
1 125-997=
4.8* 1.0 1=
99*998+998=
563*999=
4x+ 13=3 1
2x+4.3*3=7
3x- 16*3= 102
4x+7. 1= 12.5
6.3-5x=4. 1
8: 1024=
3:8 1=
36:666=