Four-digit number puzzle
Find all four-digit abcd numbers to which abcd = 20. ab + 16. cd, where ab and cd are double digits numbers from digits a, b, c, and d.
Your answer:
Your answer:
Tips for related online calculators
Do you solve Diofant problems and are looking for a calculator of Diofant integer equations?
Do you want to perform natural numbers division - find the quotient and remainder?
Do you want to perform natural numbers division - find the quotient and remainder?
You need to know the following knowledge to solve this word math problem:
algebraarithmeticbasic operations and conceptsnumbersthemes, topicsGrade of the word problem
Related math problems and questions:
- Four-digit number
For a four-digit number abcd, ab: bc = 1:3 and bc: cd = 2:1 (ab, bc, and cd are two-digit numbers from digits a, b, c, d). Find this number(s). - Four-digit number
Find all four-digit abcd numbers with a digit sum of 12 such that ab-cd = 1 - Four-digit number
Find the smallest four-digit number abcd such that the difference (ab)²− (cd)² is a three-digit number written in three identical digits. - Trapezoid - interior angles
In the trapezoid ABCD (AB II CD) is α = 57°, γ = 4β. Calculate the size of all interior angles. - Trapezoid ABCD
ABDC is a trapezoid in which AB and CD are parallel sides measuring 6 and 9, respectively. Angles ABC and BCD are both right angles. Find the length of segment BD. - Trapezium ABCD
The figure shows ABDC is a trapezium in which AB || CD. Line segments RN and LM are drawn parallel to AB such that AJ=JK=KP. If AB=0.5 m and AP=BQ=1.8 m, find the lengths of AC, BD, RN, and LM. angle D=angle C=60 - Vector - basic operations
Given points A[-9; -2], B[2; 16], C[16; -2], and D[12; 18]: a. Determine the coordinates of vectors u = AB, v = CD, and s = DB. b. Calculate the sum of vectors u + v. c. Calculate the difference of vectors u − v. d. Determine the coordinates of the vector
