Overview: 4 questions will be solved this time.Among them
☆1 equations
☆2 arithmetic calculations
☆1 calculations of prime factor
[1/4 Digtal analysis]
Work:Break 1111 into prime factors.
Question type: Resolving prime factor
Solution:
1111=11*101 *Note: 1111 has 2 prime factors.[2/4 Formula]
Work: Calculate the value of equation 11-1-1 .
Question type: Mathematical calculation
Solution:
11-1-1
=10-1
=9 Answer:11-1-1=9[3/4 Formula]
Work: Calculate the value of equation 1-11-1 .
Question type: Mathematical calculation
Solution:
1-11-1
=-10-1
=-11 Answer:1-11-1=-11[ 4/4 Equation]
Work: Find the solution of equation X-1-11 = 0 .
Question type: Equation
Solution:Original question: Left side of the equation = | X | − | 12 |
The equation is transformed into :
Transposition :
Combine the items on the right of the equation:
This is the solution of the equation.
This is the solution of the equation.
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