Brief introduction of the author
Name: Hu Mingying.
About the author:
Works: ninth grade mathematics (Beijing normal university edition)/Huanggang difficult class practice; Ninth grade mathematics (Volume II): Huanggang difficult class exercise (Beijing Normal University Edition); Huanggang Difficult Course Exercise-Grade Three Mathematics (I); Huanggang Difficult Class Exercise-Ninth Grade Mathematics (China Normal University Edition).
catalogue
order
Chapter 65438 +0 proof (2)
Can you prove them?
Congruent triangles's Judgment (1)
Congruent triangles's Judgment (2)
Congruent triangles's Judgment (3)
Properties of isosceles triangle
Determination of isosceles triangle
Right triangle in the second quarter
pythagorean theorem
Inverse theorem of Pythagorean quantization
Determination of congruence of right triangle
Perpendicular bisector of section 3 line segment
Fourth quarter angle bisector
Unit test questions
Chapter II Quadratic Equation in One Variable
How wide is the lace moon in section 1?
Section 2 Matching Methods
Section 3 Formula Method
The fourth quarter factorization method
Why is section 5 0.6 18?
Unit test questions
Chapter III Proof (3)
1 parallelogram section
Parallelogram (1)
Parallelogram (2)
Special parallelogram in the second quarter
Special parallelogram (1)
Special parallelogram (2)
Unit test questions
Chapter 4 Views and Forecast
Chapter V Inverse Proportional Function
Unit test questions
Chapter 6 Frequency and Probability
Mid-term exam questions
Final test question
Reference answer
Huanggang difficult class exercise: seventh grade mathematics: Volume I: Introduction to the author of China Normal University Edition
Name: Cheng Jinju
About the author:
Works: Huanggang difficult class exercise: seventh grade mathematics: Volume I: China Normal University Edition; Huanggang difficult class exercises (second edition): the first volume of seventh grade mathematics (PEP); The second volume of seventh grade mathematics (People's Education Edition) is difficult to practice in Huanggang; The second volume of seventh grade mathematics (China Normal University Edition) Huanggang Difficult Course Exercise) The ninth grade mathematics China Normal University Edition (Volume II) Huanggang Middle School Workbook, the latest Huanggang key homework in 2007-seventh grade mathematics (Volume II).
catalogue
order
Chapter 65438 +0 into the digital world
1 Make friends with math
Let's do math.
Unit test questions
Chapter II Rational Numbers
6.5438+0 positive and negative numbers Lou
2-axis
3. Inverse number
4 absolute value
5 Comparison of rational numbers
6 addition of rational numbers
7 subtraction of rational numbers
8 rational number addition and subtraction mixed operation
Multiplication of rational numbers
6.5438+00 Division of Rational Numbers
6.5438+0 1 the power of rational numbers
6.5438+02 Scientific notation
6.5438+03 Mixed Operation of Rational Numbers
6.5438+04 divisor and significant number
6.5438+05 Simply calculate numbers with a calculator
Unit test questions
Chapter III Addition and subtraction of the whole work
3. 1 column algebra
[13] Value of algebraic expression 2
3. Algebraic expression
Addition and subtraction of algebraic expressions.
Unit test questions
Chapter 4 Preliminary understanding of graphics
3. 1 3D graphics in life
Step 2 draw three-dimensional graphics
3. Development diagram of three-dimensional graphics
4. floor plan
5. The most basic graphics-points and lines
6 jiao
4.7 Intersection line
4.8 parallel lines
Unit test questions
Chapter 5 Data Collection and Representation
5. 1 data collection
Ψ 2 representation of data
5.3 It may still be determined.
Unit test questions
Mid-term exam questions
Final test question
Reference answer