=12000.(3000+5400+3600:3)
=12000-(8400+1200)
=12000-9600
=2400
\(12000-\left(1500.2+1800.3+1800.2:3\right).\)
\(=12000-\left(3000+5400+1200\right)\)
\(=12000-9600\)
\(=2400\)
12000-(1500.2+1800.3+1800.2:3)
=12000-(3000+5400+3600:3)
=12000-(3000+5400+1200)
=12000-9600
=2400
=12000-(3000+5400+3600:3)
=12000-(3000+5400+1200)
=12000-(8400+1200)
=12000-9600
=2400