(1)原式=-20-14+18-13
=-47+18
=-29;
(2)原式=-
3
2 ×
4
5 ×(-
5
2 )×
3
4
=
9
4 ;
(3)原式=1+4
=5;
(4)原式=(-
3
4 -
5
9 +
7
12 )×36
=-
3
4 ×36-
5
9 ×36+
7
12 ×36
=-27-20+21
=-26;
(5)原式=-4+8×(-
1
8 )+12-(-1)
=-4-1+12+1
=8.
(1)原式=-20-14+18-13
=-47+18
=-29;
(2)原式=-
3
2 ×
4
5 ×(-
5
2 )×
3
4
=
9
4 ;
(3)原式=1+4
=5;
(4)原式=(-
3
4 -
5
9 +
7
12 )×36
=-
3
4 ×36-
5
9 ×36+
7
12 ×36
=-27-20+21
=-26;
(5)原式=-4+8×(-
1
8 )+12-(-1)
=-4-1+12+1
=8.