(1)6000÷25
=(6000×4)÷(25×4)
=24000÷100
=240;
(2)73.2+27.3+72.7
=73.2+(27.3+72.7)
=73.2+100
=173.2;
(3)42.5-16.41-3.59
=42.5-(16.41+3.59)
=42.5-20
=22.5;
(4)29.46-(5.8-0.08)
=29.46-5.72
=23.74;
(5)65×[(500-32)÷18]
=65×[468÷18]
=65×26
=1690.