Ask 200 people's education press sixth grade volume 1 simple calculation, We need to use five laws (multiplication allocation rate, multiplication combination law, multiplication exchange law) To score, the calculation must be simple

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• 1. 120 simple calculation, who has? 120 simple equations. 120 drag calculation Please
• 2. Solve the equation, calculate, simplify and evaluate 30 times each,
• 3. Simple solution equation for export calculation
• 4. Primary school sixth grade off formula calculation. I give 30 wealth (1) 75% of 0.25 * 31 + 49% of 31% (2) 3% of 4 * 4 + 75% * 7-0.75 (3) 13.6 * 40% - 3.6 * 2 / 5
• 5. Primary school score plus and minus fifth grade simple solution equation, an X Oh, each 50, who has? For example: x-3 / 10 = 1 / 5, 1 / 8 + 8 / 15 + 7 / 8 + 3 / 15, help!
• 6. Simple calculation and solution equation Simple calculation: 29 / 47 × 28 + 19 / 47 × 29 solution: 3.7x + 4.4 = 5.9x-2.2
• 7. 0.45*198 5.4*102 1.83*2.6+1.83*7.4 1.25*2.5*3.2 solve equations: 3X+12.5*2=85 （X-8）/2.4=12 8（X-7）=24 34X-5X+48=106 Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step`
• 8. 1. After a certain kind of corn was changed to high-quality coarse cereals, the per capita income of farmers this year increased by 20% compared with that of last year. The per capita income of farmers this year was 1.5 times less than that of last year by 1200 yuan. What was the per capita income of farmers in this township last year? 2. Saw a 100cm long wooden stick into two sections, so that the length of one section is 5cm less than that of the other section, which position of the stick should be sawed?
• 9. Three math problems about equation in grade six &To solve the equations {- x + 2Y + 3Z = 12 & nbsp; {2x-2y + 5Z = 13 & nbsp; {3x + 2Y + Z = 10 & nbsp; Solve the system of equations {2 (x + y) - 3 (X-Y) = 1 & nbsp; {6 (x + y) + 7 (X-Y) = 51 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; remove the brackets and make it easier Given that the system of equations {2x-y = 0 & nbsp; {2x + y = m and the system of equations {X-Y = 5 & nbsp; {2x-y = n-1 have a set of common solutions, the values of M and N are obtained   ,,
• 10. 1 / 4 + 2x = 1 / 2 = 1 / 2 2 / 3x-1 / 5x = 1 (1-3 / 8) x = 10 if the answer is correct, add 100. If it is correct, add 100 And 70 * (1 + 1 / 2)
• 11. To solve 100 math comprehensive calculation problems in Grade 6 of primary school (including off form and equation)
• 12. There are 100 equations and 200 mixed operations in Grade 6 of primary school. The faster the better,
• 13. Who can give me 100 sixth grade solution equation, 100 sixth grade ratio, and Sixth Grade 100 off formula calculation! Thank you!
• 14. The sixth grade simplified equation is more simplified than reductive disjunction with 80 answers Be sure to bring the answer! Speed to ah -- If detailed with the process, then add 30 points!
• 15. What can be calculated simply should be calculated simply (1) 6 / 7 - (3 / 10-1 / 7) + 7 / 10 (2) (1 / 2 + 5 / 12 × 2 / 3) △ 7 / 9 (3) 36 × 5 / 6 + 5 / 6 × 0.64 (4) 5x of 6 + 1 of 6 = 8 of 9 （5）0.69+0.53+2.47+0.31
• 16. This question: Twenty nine and eleven divided by forty-six and forty-four (I can't get the score. I can only use Chinese lowercase.)-_ -|||Make do with it.
• 17. （1）1/2*3+1/3*4+1/4*5.1/2006*2005 （2）1/2+1/（1+1）*（2+1）+1/（1+2）*（2+2）.1/（1+2009）*（2+2009） （3）1+1/（1+2）+1/（1+2+3）+.1/（1+2+3+4.100）
• 18. 1: 7 out of 8 = (simplification). There are other questions~ 12: 1 / 4 = (simplification) 0.2:4.8 = (simplification)
• 19. How to calculate 1.6 × 7.8 × 1.25? And 10.3 × 99 + 10.3
• 20. (2+1)(2²+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)+1=