"Integral Forms" Addition and Subtraction of Integral Forms PPT Courseware 2

Description

"Integral Forms" Addition and Subtraction of Integral Forms PPT Courseware 2

think:

1. The surface area of ​​a cube with side length a is ( ) and its volume is ( ).

2. The unit price of pencils is x yuan. The unit price of ballpoint pens is 2.5 times the unit price of pencils. The unit price of ballpoint pens is ( ) yuan.

3. The speed of a car is v kilometers/hour, and the distance it travels in t hours is ().

4.The opposite number of the number n is ( ).

5. The opposite of the reciprocal of 2/3 is ( ).

Notes on monomial

1. A single number or letter is also called a monomial!

For example, -3, 0, m, etc. are all monomials.

2. The degree of a single non-zero number is 0.

For example, the number of -3 is 0

3. The coefficient of the monomial contains a sign. When the coefficient is 1 or -1, the "1" should be omitted.

-Coefficient of 3ab²?

Example study

Example: Fill in the blanks with monomials and indicate their coefficients and degrees:

(1) Each pack of books has 12 volumes, and n packs of books have ( ) volumes;

(2) The area of ​​a triangle with base length a and height h ( );

(3) The length and width of a cuboid are a, the height is h, and its volume is ( );

(4) The original price of a TV set is a yuan, and it is now sold at a 10% discount on the original price. The current selling price of this TV set is ( );

(5) The length of a rectangle is 0.9, the width is a, and the area of ​​this rectangle is (　).

fill in the blank:

(1) The total number of students in the school is x, of which girls account for 48% of the total, then the number of girls is ________ and the number of boys is ________;

(2) A long-distance bus departs from Yangliu Village and arrives at Xihe Town, which is S kilometers away, 3 hours later. The average speed of this long-distance bus is ________;

(3) The product increases by 10% from m kilograms to ________ kilograms.

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For more information about the PPT courseware "Addition and Subtraction of Integers", please click the "Addition and Subtraction of Integers ppt Integers ppt" tab.

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Update Time: 2024-10-19

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