Skip to content

24-7 Today

Menu
  • Home
  • Ads Guide
  • Blogging
  • Sec Tips
  • SEO Strategies
Menu

sumdiff: Sum Minus Difference

Posted on April 30, 2025 by 24-7

[This article was first published on R/exams, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)


Want to share your content on R-bloggers? click here if you have a blog, or here if you don’t.

Exercise template for a very basic arithmetic task, namely computing the sum of two random numbers minus their difference.

Preview:

The result of the calculation is (52 + 30) – (52 – 30) = 82 – 22 = 60.

The result of the calculation is (32 + 22) – (32 – 22) = 54 – 10 = 44.

The result of the calculation is (42 + 31) – (42 – 31) = 73 – 11 = 62.

Description:

Minimal arithmetic task (sum of two numbers minus their difference) with randomly-drawn numbers but only short text description and no mathematical notation in LaTeX.

Randomization:

Random numbers

Mathematical notation:

No

Verbatim R input/output:

No

Demo code:

library("exams")

set.seed(403)
exams2html("sumdiff.Rmd")
set.seed(403)
exams2pdf("sumdiff.Rmd")

set.seed(403)
exams2html("sumdiff.Rnw")
set.seed(403)
exams2pdf("sumdiff.Rnw")

Related

Related

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

©2025 24-7 Today | Design: WordPress | Design: Facts