= (9.2) . 23 + 18 . 32 + ( 3.6) . 45
= 18 . 23 + 18 . 32 + 18 . 45
= 18( 23 + 32 + 45)
= 18 . 100 = 1800
= (9.2) 23 + 18 . 32 + (3.6) 45
= 18.23 + 18.32 + 18.45
= 18 (23+32+45)
= 18 . 100
= 1800
\(=18.23+18.32+18.45\)
\(=18.\left(23+32+45\right)\)
\(=18.100=1800\)