Asian teaches Maths - Terms addition and subtraction (1/2)

Is it a positive sign or a plus? negative sign or a minus? By understanding what a term is we'll be able to tell the difference and apply mathematics in science.
Second part of this video: https://rumble.com/v6wvi9w-asian-teaches-maths-terms-addition-and-subtraction-22.html

Tutorial of this video: https://rumble.com/v6wvif2-tutorial-terms-addition-and-subtraction.html

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