(69+21)(69+20) how to do this?
Anonymous:
90X89=8010
Answers
Answered by
3
(69+21)(69+20)
=90×89
=8010
Hope it helps!!!
=90×89
=8010
Hope it helps!!!
Correct answer ...
it is right
Answered by
2
this is Ur answer.....
PLS MARK MY ANSWER AS BRILLIANEST
PLS MARK MY ANSWER AS BRILLIANEST
Attachments:
The but I want it using identity
Yeah it can be solve by identity also ...
Similar questions
Social Sciences,
7 months ago
Political Science,
7 months ago
Math,
1 year ago
Math,
1 year ago
History,
1 year ago
Biology,
1 year ago