not pretend
Adding is the opposite of subtracting
If by "opposite" you mean its additive inverse, the answer is 0. If by "opposite" you mean its multiplicative inverse, for the number x, it will be (x+1/x).
opposite
If you mean hard as in the opposite of soft, then rigid, firm, adamatine. If you mean the opposite of easy, then difficult
It depends on what you mean by an opposite. Every real number has an additive opposite but 0 does not have a multiplicative opposite.
not pretend
Impersonate means "pretend to be something." Dissimulate means "pretend not to be something."
sarcasm
Hypocritical
Hypocritical
Hypocritical
What do you mean pretend laptop?
That would be sarcasm - saying something but meaning the opposite in a humorous or mocking way.
Lying. Deception. Possibly sarcasm. You're not her friend.
Ignore-pretend not to notice.
Assuming that you mean additive opposite, the answer is +11.Assuming that you mean additive opposite, the answer is +11.Assuming that you mean additive opposite, the answer is +11.Assuming that you mean additive opposite, the answer is +11.
happy