Overview: 3 questions will be solved this time.Among them
☆1 equations
☆2 calculations of prime factor
[1/3 Digtal analysis]
Work:Break 42 into prime factors.
Question type: Resolving prime factor
Solution:
42=2*3*7 *Note: 42 has 3 prime factors.[ 2/3 Equation]
Work: Find the solution of equation 一X+一X = 1 .
Question type: Equation
Solution:Original question:| Left side of the equation = | - | 2 | X |
The equation is transformed into :
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
Convert the result to decimal form :
[3/3 Digtal analysis]
Work:Break 55 into prime factors.
Question type: Resolving prime factor
Solution:
55=5*11 *Note: 55 has 2 prime factors.Your problem has not been solved here? Please go to the Hot Problems section!