Question

4+(3+9) +56 + 78 =

Answer 1

\(4+\left(3+9\right)+56+78\)

\(=\left(3+9\right)+\left(4+56\right)+78\)

\(=12+60+78\)

\(=60+\left(12+78\right)\)

\(=60+90\)

\(=150\)

Answer 2

=147

Answer 3

150 nha

Answer 4

150 nha

Answer 5

$4+\left(3+9\right)+56+78$

$=\left(3+9\right)+\left(4+56\right)+78$

$=12+60+78$

$=60+\left(12+78\right)$

$=60+90$

$=150$

Answer 6

150

Answer 7

$4+\left(3+9\right)+56+78$

$=\left(3+9\right)+\left(4+56\right)+78$

$=12+60+78$

$=60+\left(12+78\right)$

$=60+90$

$=150$

Answer 8

\(4+\left(3+9\right)+56+78\)

\(=\left(3+9\right)+\left(4+56\right)+78\)

\(=12+60+78\)

\(=\left(12+78\right)+60\)

\(=90+60=150\)