134 out of 136 * 135 (simple calculation process) fast

134/(136*135)=(135-1)/(136*135)=1/136 -1/136 * 1/135=(1/136)*(1-1/135)

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1. [(_ 136)*(_ 271) - 135 [()_ 135)*(_ 271)+136]=?
2. (136 times 271 minus 135) divided by (135 times 271 plus 136)
3. {(- 135) times (- 271) + 136} divided by (- 136) times (- 271) - 135 Note that below the fraction line is - 136, not - 135, The results should be simplified. There should be a simple way to solve this problem. Do not use a computer. It is best to have a process,
4. Boys account for 54% of the total number in the first semester of the sixth grade in a school Boys account for 54% of the total number of sixth grade students in the first semester of a school. This semester, there are three girls transferred and three boys transferred. At this time, girls account for 48% of the total number. How many boys are there now? Please use the formula to calculate, not x, Y!
5. A series of numbers are arranged according to the following rules: 1, 2, 3, 2, 3, 4, 3, 4, 5, 4, 5, 6 From the first number on the left to 200 & nbsp; numbers, the sum of which is______ ．
6. A series of numbers are arranged as follows: 1,3,5,2,4,6,3,5,7,4,6,8, etc. from the first number, what is the sum of the first 100 numbers?
7. The following set of regular permutation numbers: 4,8,16,32... The nth number is (), the 2004 number is ()
8. Observe the characteristics of the following sequence, fill in the blanks with appropriate numbers, and write a general formula for each sequence. 1) 3 / 4,2 / 3,7 / 12, (), 5 / 12,1 Observe the characteristics of the following sequence, fill in the blanks with appropriate numbers, and write a general formula for each sequence ⑴3/4,2/3,7/12,（）,5/12,1/3,... ⑵√5/3,（）,√17/15,√26/24,√37/35,... ⑶2,1,（）,1/2,... ⑷3/2,9/4,（）,65/16,...
9. Observe the following sequence of numbers 1 / 1,2 / 1,1 / 2,3 / 1,2 / 2,1 / 3,4 / 1,3 / 2,2 / 3,1 / 4. Then the number at which position is 74 / 51
10. The order of a sequence of numbers is as follows: 1,2,3,4,3,4,5,6,5,6,7,8,7,8. What is the number 150? What is the number 150
11. How to calculate 981-836 + (719 + 136)
12. Simple calculation of (325-127) / 9 + 136-11 * 11
13. Write a program to calculate 1 + 3 + 5 + +The value of 99 is a fill in question private sub command1_ click() dim i,s as integer s=0 for i=1 to ____________ s=s+(2*i-1) _______________ print "s=";s end sub The answer is to fill 50 in the first blank. Why is the maximum number 99 and 50? How did this 50 come out?
14. Point a (3,2) is a fixed point, point F is the focus of the parabola y2 = 4x, and point P moves on the parabola y2 = 4x. If | PA | + | PF | gets the minimum value, then the coordinate of point P is______ ．
15. 1.8 of 3 = 32 of () = () of () 2.16 divided by 13 = () of () = () () of ()
16. Fill in the blanks on page 99 of the sixth grade mathematics textbook Who knows? Thank you······· 1. Four kinds of fruits are transported from the fruit shop. Apples and bananas account for half of the total. Apples and watermelons account for two fifths of the total. Apples and watermelons account for 25% of the total. How many% of the total are apples 2. A circle is divided into several small sectors to form an approximate rectangle. If the length of the rectangle is 6.42 cm more than the width, what is the area of the circle 3. Draw the largest semicircle in the isosceles right triangle, the shadow area is 0.43 square centimeter, how many square centimeter is the area of isosceles right triangle, the shadow is above the largest circle 4. There are 40 tricycles and cars in the parking lot. The total number of wheels of tricycles is one more than that of cars. How many cars are there in the parking lot
17. Simple calculation of 200.8 * 99 + 20.08 * 10
18. Simple calculation of 99 × 38 + 38
19. 25 + 25 + 36 + 64 = simple algorithm
20. A simple algorithm of 36 × 64 + 64 × 64 =