答案
解:(1)原式=-20-14+18-13=-47+18=-29;
(2)原式=-32+21-4=-36+21=-15;
(3)原式=18-20=-2;
(4)原式=-(100-
)×36=-(3600-
)=-3599
;
(5)原式=-1-
×
×(2-9)=-1+
=
.
解:(1)原式=-20-14+18-13=-47+18=-29;
(2)原式=-32+21-4=-36+21=-15;
(3)原式=18-20=-2;
(4)原式=-(100-
)×36=-(3600-
)=-3599
;
(5)原式=-1-
×
×(2-9)=-1+
=
.