(1)[1-328÷(328×2.5)]÷2.4
=[1-328÷328÷2.5]÷2.4,
=[1-1÷2.5]÷2.4,
=[1-0.4]÷2.4,
=0.6÷2.4,
=0.25;
(2) 1
1
4 ×17.6+36÷
4
5 +26.4×1.25
=1.25×17.6+36×1.25+26.4×1.25,
=(17.6+26.4+36)×1.25,
=80×1.25,
=100;
(3)201.2×
22
25 +2012×
3
200 -20.12×
3
10
=2012×
22
25 ×
1
10 +2012×
3
200 -2012×
3
10 ×
1
100 ,
=(
22
250 +
3
200 -
3
1000 )×2012,
=(
88
1000 +
15
1000 -
3
1000 )×2012,
=
1
10 ×2012,
=201.2;
(4)[47-(18.75-1÷
8
15 )×2]÷0.46
=[47-(18.75-1.875)×2]÷0.46,
=[47-16.875×2]÷0.46,
=[47-33.75]÷0.46,
=13.25÷0.46,
=
1325
46 .