Question

The sum of three is 45628 two of the numbers are12378 and 20641 what is the third number

Answer 1

sum of three number = 45628

first number is = 12368

second number = 20641

third number is = ?

so , add first and second number

12368. + 20641

=33009

now subtract = 45628 - =33009

= 12619

the third sum is 12619

Answer 2

$ans. \: \: all \: sum \:of \: number \: is \: \: = \: 45628 \\ \\ first \: number \: is \: \: = 12378 \\ \\ second \: number \: is \: \: = \: 20641 \\ \\ third \: number \: is \: = \: ? \\ \\ we \: add \: first \: and \: second \: number \: \\ \\ 12378 \: + \: 20641 \: = \: 33019 \\ \\a fter \: that \: we \: substract \: that \: all \: sum \: of \: numbers \: \\ \\ 33019 \: - \: 45628 \: = \: 12609 \\ \\ so \: third \: number \: is \: \: = \: 12609$