What is the square of 12 I haven't learned the root yet

What is the square of 12 I haven't learned the root yet

Which number is the square of 12.5

12.5＝25/2
+-25 / 2 under radical = + - 5 / radical 2 = + - 5 radical 2 / 2
(+ - i.e. square of 5 root sign 2 / 2) = 12.5

How to reduce 144 to the square of 12
It's 12 times 12 to get 144, but if I see 144, how can I calculate the square of 12? I mean, is there a simple and easy-to-use formula to restore the value to the above formula of 144 = 12 square

You can square by hand, but it's not necessary to remember integers. Generally speaking, you need to memorize the square of integers from 11 to 20. You also need to learn how to square by hand
----1 2
1√1'44.
----1
--------
22|044
-----44
--------
------0

The law that the last digit is the square of the number of 5

The square of 5 is 25
The square of 15 is 225
25 square meters
The square of 35 is 1225
The square of 45
Careful observation, found that the last two are 25, is 5 out of the square
Then look at the front, which are 0.26 12 20
0 * 1 1 * 2 2 * 3 3 * 4 4 * 5.0,1,2,3,4,5 are high positions. See?
Do you understand? I hope I can help you,

What's the rule of the big two numbers at the end when the single digit is the square of the two digits of 5? Why?

It's all 25. Because the end is 5, the square is 25. What's the rule

Why is the mantissa of the square of two digits of a five digit number 25

(10a+5)^2=100a^2+100a+25

The square of 2005 is calculated by formula

(2000+5)²=2000²+2X2000X5+5²=4000000+20000+25=4020025

Simple calculation of square in 2004 x 2006-2005

Hello, lovely baby cochlear
2004×2006－2005²
＝（2005－1）×（2005＋1）－2005²
＝2005²－1－2005²
＝－1

How to use a simple algorithm for the square of 2005?
Square of 15 = 225 = 100 * 1 * (1 + 1) + 25
Square of 25 = 625 = 100 * 2 * (2 + 1) + 25
…………

Let me tell you a simple way to calculate the square of mantissa 5: except mantissa 5, the other numbers * (this number + 1), and then add 25 directly after the number. Example: the square of 15: 1 * 2 = 2, 2 + + 25 = 22525: 2 * 3 = 6, 6 + + 25 = 625. The square of 2005: 200 * 201 = 40200, 40200 + + 2

How to calculate (96 + 16) * (96 / 16) simply? Need a simple method?

(96+16)*(96/16)
=(96+16)*6
=(100+12)*6
=600+72
=672