yb ʕ •ᴥ•ʔ's answer to Ramya's Secondary 2 Maths Singapore question.

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yb ʕ •ᴥ•ʔ
Yb ʕ •ᴥ•ʔ's answer
23 answers (A Helpful Person)
1st
if this helps u
Ramya
Ramya
4 years ago
But the qn said without the calculator. So it need to have working
yb ʕ •ᴥ•ʔ
Yb ʕ •ᴥ•ʔ
4 years ago
oops u didn't specify, then hopefully it's :

39^2 = ( 3 x 13 )^2
= 9 x 169
= 1521

1521+78+1 = 1600

hope it's correct ^ :>