Question

i u r genius then answer
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Answer 1

Hint: After adding the two numbers, you will get a result. Now, obtained result should be multiplied with the 1st number.

(1)

1 + 2 = 3

3 * 1 = 3

(2)

2 + 3 = 5

5 * 2 = 10.

(3)

4 + 5 = 9

9 * 4 = 36

(4)

6 + 7 = 13

13 * 6 = 78.

Therefore, 6 + 7 = 78.

Hope it helps!

Answer 2

$\bold{HELLO \: USER !}$

$\boxed{HERE'S \: THE \: ANSWER }$

$\bold{Given \: that , \: } \\ \bold{1+2=3 , we \: can \: write \: that : 3×1 = 3 } \\ \bold{Here , \: RHS \: is \: also \: 3 .}$
$\bold{And \: 2 + 3 = 5 , if \: 5 × 2 = 10 } \\ \bold{Here \: , RHS \: is \: also \: equal \: to \: 10 }$

$\bold{Similarly \: , if \: we \: go \: to \: , } \\ \bold{4 + 5 = 9 , \: if \: 9 × 4 = 36} \\ \bold{ \: Here, \: it \: is \: equal \: to \: RHS}$

$\bold{It \: concludes \: that \: , 6 + 7 = 13 \: , if \: 13 × 6 = 78} \\ \boxed{ \: Therefore \: , \: the \: required \: answer \: is \: 78 .}$

$\bold{Hope \: it \: helps \: you \: !!}$