I need the method and the answer.If u are the one who are helping,u be the cleve

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Primary 3 Maths Singapore

I need the method and the answer.If u are the one who are helping,u be the cleverest

Date Posted: 6 years ago

AC Lim

6 years ago

11+99=110
22+88=110
33+77=110
.
.
.
So the method
11 to 99
Have 10 pair
10-1 = 9
9 divide 2 = 4.5
Have 4
4x110 = 440
440 +55 =495

Renu Renu

6 years ago

Thank

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Hope this helps!

Date Posted: 6 years ago