Видео с ютуба Subtraction As Negative Addition
A Trick for Adding and Subtracting Negative Numbers
Subtracting Integers | How to Subtract Positive and Negative Integers
Math Antics - Adding & Subtracting Integers
How to Subtract Negative Numbers | Subtracting Negative Numbers
How To Add And Subtract Negative Numbers
Adding and subtracting negative numbers | Pre-Algebra | Khan Academy
Adding and Subtracting Integers: A Step-By-Step Review | How to Add and Subtract Integers
Addition and Subtraction involving Negatives - Corbettmaths
Adding and subtracting negative numbers | Oxford Owl
Adding and Subtracting Positive and Negative Numbers
Subtracting a negative = adding a positive | Pre-Algebra | Khan Academy
Sign Problems | Addition and Subtraction of Integers | How to place negative and Positive sign..
Adding positive and negative numbers
Adding and Subtracting Integers Using a Simple Method
How to Subtract 2 Negative Numbers
Adding Positive and Negative Numbers
Subtracting Negative Integers
Adding and Subtracting Negative Numbers | Dave May Teaches
How to Add, Subtract, Multiply & Divide Negative Numbers : Math Questions & Answers
Subtracting Negative Numbers