Phép trừ trong tiếng Anh là: Subtraction

Phép cộng trong tiếng Anh là: Addition

Phép nhân trong tiếng Anh là: Multiplication

Phép chia trong tiếng Anh là: Division

Math problems 1-35 talk about division. For example, problem 1-2 can be expressed in algebraic language as follows: for y = ax, z = bx, x + y + z = n, find x, y, z. The problems 36-42 talk about calculating the area of ​​flat shapes, including squares, rectangles, trapezoidal approximations, and circles. The pi number, the ratio between the circumference and the circle, is taken as 3: 1. The problem group of 43-69 is for problems of scale, which is about the method of calculating the height of an object when the height of another object and the shadow length of the two objects are known. Also related to the ratio, there is a problem of calculating the number of objects that can be purchased with a sum of money when knowing their prices. Problem 70-85 talks about the problem of extracting numbers, algorithms to convert monetary units. Group of problems 86-93 talking about multiplication, division, and problem of calculating the volume (of boats). There are also divination arts. The problems 94-131 talk about flat problems, including rectangles, rounds, buffalo horns, blank shapes, ellipses, towel rings, and eye shapes (intersection of two circles), triangles scales, polygons with multiple trapezoid, quadrilateral. In addition, there is a problem about calculating square root, volume of straight blocks, and changing units. The book also has a partial tax calculation. The last part of the book talks about "divination", calculating the height of the tree when it comes to the length of the sun shade. The book also has a number of problems extracted from the sutta.

envy là iu 

jealous là ghen

thể hiện t/c khac nhau

envy trong tiếng anh có nghĩa là : đô kỵ , ganh tị , ghen , ghen tị.

jealous trong tiếng anh có nghĩa là : lòng ghen tị , tính đố kỵ , ghen ghét , ganh tỵ , ghen tuông .

Nếu so sánh 2 từ thì 2 từ đó bằng nghĩa nhau .

quiet 

dịch: trật tự

là yên tĩnh

Adventure (n): Phiêu lưu

adventure

What is the name of your school?

School name is:

Nguyen Tien Lu Primary School.

\(#Wendy.Dang\)

What is the name of your school?

The school name is: 

Nguyen Tien Lu Primary School.

Decision

decision

Nhiều nghĩa lắm:)

VD:CM   :comment,...

VD NM:Number,...

nature (n): thiên nhiên

KB VS TK NHA!

thiên nhiên : nature

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