For any real number x, the sign [x] represents the largest integer not exceeding x, for example, [1] = 1 [2.5] = 2 So [log2 ^ 1] + [log2 ^ 2] + [log2 ^ 3] + &; &; &; &; &; &; &; &; &; + [log2 ^ 1024] =?

[log2^1]+[log2^2]+[log2^3]+••••••+[log2^1024]=0+1+1+2+2+2+2+3+…… +10=0*1+1*2^1+2*2^2+3*2^3+4*2^4+5*2^5+…… +9*2^9+10=8204

The original price of a household appliance is 200 yuan. After the price is increased by 10%, the price is reduced by 10%. How much is the current price?

200×（1+10%）×（1-10%）

If the symbol "X" represents the largest integer not greater than the rational number x, and (y) represents the remainder of the number y divided by 3, calculate - 3 * 7 - (14)

《-3.7》-（14）=-4-2=-6

The original price of a pesticide is 50 yuan per bag. After two successive price cuts of 10%, the price should be () yuan
Please make a formula

50 * 10% = 5 yuan, 50-5 = 45 yuan;
45 * 10% = 4.5 yuan 45-4.5 = 40.5 yuan
[50*（1-10%）](1-10%)=40.5
It's not clear enough. There's still a formula

If the sign [a] denotes the largest integer not greater than the rational number a,; B; denotes the remainder of the integer B divided by 3, then [- 3 * 7] - 14; = * is a multiplication
If the symbol [a] denotes the largest integer not greater than the rational number a,; B; denotes the remainder of the integer B divided by 3, then [- 3 * 7] - 14; = * is the fast multiplication

Because the remainder of 14 divided by 3 is 2, so [- 3 * 7] -; 14; = [- 21] -; 14; = - 21 -; 14; = - 21-2 = - 23

After two successive price cuts, the current price of an electrical appliance is 810 yuan. How much is the original price

After two successive price cuts of 10%, the current price of an electrical appliance is 810 yuan. How much is the original price?
810÷（1-10%）÷（1-10%）
=810÷90%÷90%
=900÷90%
=1000 yuan

If the negative sign [x] denotes a number not greater than X and the remainder of the integer y divided by 3, try to calculate [- 3 * 7]*

Try to calculate [- 3 * 7]*
[x] Represents an integer not greater than x
[-3*7]=[-21]=-21
Represents the remainder of the integer y divided by 3
14÷3=4...2
=2
[-3*7]* =-21×2=-42

After two successive price cuts of 10%, the price of a color TV set is 1944 yuan, which is the same as the original price___ element

1944/0.9/0.9=2400
This kind of TV set used to cost 2400 yuan per set

For any two rational numbers a * b = a + 3b4, then the solution of equation 3x * 4 = 6 is X=______ ．

According to the meaning of the title, 3x * 4 = 6 can be transformed into: 3x + 3 × 44 = 6; the solution is: x = 4

The price of a DVD player is 567 yuan after two consecutive price cuts of 10%. How much is the original price

If the original price is x, then the present price is 0.9 times 0.9x, which equals 576 solution

For any real number x, the sign [x] represents the largest integer not exceeding x, for example, [1] = 1 [2.5] = 2 So [log2 ^ 1] + [log2 ^ 2] + [log2 ^ 3] + &; &; &; &; &; &; &; &; &; + [log2 ^ 1024] =?