A expression in maths is a collection of terms without an equality sign.
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A formula with an equal sign
It's the equals sign with the ~ above it. ≅
im sorry but i dont think you can
you go to google hahahahahahahahha
> - greater than < - less than
The multiplication sign is shown as X in maths
It looks like an upside-down "T".
well it will be available to sign up for in the middle of February to give you plenty of time to experience it.
They used maths to communicate and ask questions..This was done through sign communication. They drew with the help of lines on the walls or bark of trees.
Multiplication is invented by Human. Maths is not invention of single individual. Many Mathematicians around world discovered and invented new things and added them into Maths.