\(42.53+47\left(156+114\right)\)
\(42.53+47.270\)
\(hixx\)\(\text{quên ùi}\)
hhhhhhhhhhhhhhhhh
42 x 53 + 47 x 156 + 47 x 114
= 42 x 53 + 47 x ( 156 + 114 )
= 42 x 53 + 47 x 270
= 2226 + 12690
= 14916
47 x 53 + 47 x 156 + 47 x 114
=47x(53+156+114)
=47x323
=15181