Question

ch+=2 is equivalent to * 1 point ch=ch+2 ch+2 ch=+2

Answer 1

These are called "Augumented" or "Short hand" operators.

Hence,

ch +=2 is equal to ch = ch + 2

Hence optiona ) ch = ch + 2 is the correct one.

Food for thought

• Augumented operators are used in place of writing x = x+n
• It is very easy for developers to use this and add the variable to the "cloud variable" to get high score/leaderboard for games etc.

Answer 2

Ch+=2 is equivalent to Ch = Ch + 2, in the programming world.

Explanation:

In programming languages like Python,  +=, -=, *=, /=, %= are the shorthand assignment operators.

a+=b denotes a=a+b

a-=b denotes a=a-b

a*=b denotes a=a*b

a/=b denotes a=a/b

a%=b denotes a=a%b

As per these notations, ch+=2 is equivalent to ch=ch+2, which means that the value in ch is incremented by 2 and the resultant value is assigned to ch back.

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