81 (X-2) ^ = 16 it takes steps to solve this equation

81 (X-2) ^ = 16 it takes steps to solve this equation

81（x-2)²=16
﹙x－2﹚²＝16／81
x-2=±4／9
x=2±4／9
x=22／9,x=14／9

The solution of the equation 2 / 6 = - 6 is the same as that of 2 / x + 3 / a = x-4=

X / 2-6 = - 6 can be divided into X / 2 + 4 = 4 (add 10 to both sides of the equation), and X / 2 + A / 3 = x-4 can be divided into X / 2-A / 3 = 4. Since the solutions of the two equations are the same, we can get a / 3 = 4 and a = 12

Solution of the equation x △ 1 / 6 = 3.3

2/3÷x=1/6
x =2/3÷1/6
x =4
x÷1/4=3/5
x =1/4×3/5
x=3/20
2/3x=4/7
x=4/7÷2/3
x=6/7
3/5-x=1/4
x =3/5-1/4
x =7/20

About the dream of flying primary school composition, the best more than 500 words, less than 1000 words

Everyone has a dream. Similarly, every student has a dream about study and life. In the same campus, you can see the same teachers, the same desks. Obviously, the most profound is an attitude and method towards study. I often ask myself, what kind of life do you yearn for? Your ideal little

Primary school tax rate formula
It's how to calculate the tax rate. It's like the total amount divided by what equals the tax rate. Draw inferences from one example! Write down how to calculate the total amount, and the tax rate multiplied by what equals the total amount

I remember only business tax, no VAT
Formula:
Tax = turnover * tax rate
Tax rate = tax amount / turnover
Turnover = tax / tax rate

How many minutes is 1 minute 07 seconds 18

1 718 / 6000
=1 and 359 / 3000 minutes

It is known that the line ax + BY-1 = 0 (a, B are not all 0) has a common point with the square of circle x plus the square of y equal to 50, and the abscissa and ordinate are all integers. How many lines are there
Given that the line ax + BY-1 = 0 (a, B are not all 0) and the square of the circle x plus the square of y equal to 50 have a common point, and the abscissa and ordinate of the common point are integers, how many such lines?
I want to know why there are 60 intersecting lines and 12 tangent lines
72 in total

x^2+y^2=50
x=±1 y=±7 x=±7 y=±1 x=±5 y=±5
There are 12 integer points on the circle, which can be connected into 66 straight lines C (12,2)
There are 12 integer points and 12 tangent points
So there are 78

Urgent! Mathematical problem decimal! Why ten minus one equals one? Detailed?

If it is a decimal system in mathematics, ten minus one must be nine. I think your problem should be binary, 10-1 = 1

What is 4x + 2 times (35-x) equal to 100

4X + 2 times (35-x) = 100
4x+70-2x=100
4x-2x=100-70
2x=30
x=15

27:18 ratio and reduction ratio
Finding ratio and simplifying ratio,

Solution: (27 △ 9): (18 △ 9)
=3:2
The simplest ratio is 3:2 and the ratio is 3 / 2