Mike-Git-Hub 4b2a09efb1 add text "The absolute value of a quantity x is denoted by |x| (the quantity is enclosed between two vertical bars)." (#21402) ...

add text "The absolute value of a quantity x is denoted by |x| (the quantity is enclosed between two vertical bars)."

2018-11-10 13:51:05 +07:00

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index.md

add text "The absolute value of a quantity x is denoted by |x| (the quantity is enclosed between two vertical bars)." (#21402)

2018-11-10 13:51:05 +07:00