(1)(
2
7 +
1
5 )×7×5
=
2
7 × 35+
1
5 × 35,
=10+7,
=17;
(2)
3
13 ×
4
5 +
10
13 ×
4
5 -
4
5
=(
3
13 +
10
13 -1 )×
4
5 ,
=0×
4
5 ,
=0;
(3)(9+9 2+9 3)×0.01
=819×0.01,
=8.19;
(4)13.5×[1.5×(1.07+1.93)]
=13.5×[1.5×3],
=13.5×4.5,
=60.75;
(5)
1
12 +
11
12 ×(
5
2 -
1
3 )
=
1
12 +
11
12 ×
13
6 ,
=
1
12 +
143
72 ,
=
149
72 ;
(6)(333+667)÷[63×(
4
7 -
4
9 )]
=1000÷[63×
8
63 ],
=1000÷8,
=125;