计算下面各题,怎样简便就怎样计算.
4.5×(10.1÷0.9)
1.01÷0.25
7.32÷0.125÷0.8
1.62×4.8÷1.6.
(1)4.5×(10.1÷0.9),
=4.5×10.1÷0.9,
=4.5÷0.9×10.1,
=5×10.1,
=50.5;
(2)1.01÷0.25,
=(1+0.01)÷0.25,
=1÷0.25+0.1÷0.25,
=4+0.04,
=4.04;
(3)7.32÷0.125÷0.8,
=7.32÷(0.125×0.8),
=7.32÷0.1,
=0.732;
(4)1.62×4.8÷1.6,
=1.62×(4.8÷1.6),
=1.62×3,
=4.86.