2023年AMC 8 真题:
Problem 1
What is the ones digit of
Problem 2
What is the value of this expression in decimal form?
Problem 3
Four squares of side lengths ,
,
, and
units are arranged in increasing size order so that their left edges and bottom edges align. The squares alternate in the color pattern white-gray-white-gray, respectively, as shown in the figure. What is the area of the visible gray region in square units?
Problem 4
When Yunji added all the integers from to
, she mistakenly left out a number. Her incorrect sum turned out to be a square number. What number did Yunji leave out?
Problem 5
Aaliyah rolls two standard 6-sided dice. She notices that the product of the two numbers rolled is a multiple of . Which of the following integers cannot be the sum of the two numbers?
Problem 6
Sergei skated around an ice rink, gliding along different paths. The gray lines in the figures below show four of the paths labeled ,
,
, and
What is the sorted order of the four paths from shortest to longest?
[Diagram Required]
Problem 7
A x
rectangle is covered without overlap by 3 shapes of tiles:
x
,
x
, and
x
, shown below. What is the minimum possible number of
x
tiles used?
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