(1)0.16+4 ÷(
3
8 -
1
8 ) ,
=0.16+4÷
1
4 ,
=0.16+4×4,
=0.16+16,
=16.16;
(2)70.8-9.28-0.72,
=70.8-(9.28+0.72),
=70.8-10,
=60.8;
(3)
7
12 ×[
4
15 ÷(
5
6 -
4
5 )],
=
7
12 ×[
4
15 ÷
1
30 ]
=
7
12 ×8,
=
14
3 ;
(4)60.5×6.5+6.05×35,
=6.05×65+6.05×35,
=(65+35)×6.05,
=100×6.05,
=605.