题目内容
计算(每小题3分)
(1) -24+3-16-5; (2)
;
(3)
; (4)
;
(5)
.
(1) -24+3-16-5; (2)

(3)


(5)

(1)
;(2)
;(3)
;(4)0; (5)




(1)原式 -24+3-16-5 (2)原式
=-(24+16+5)+3 =
=-45+3 =-8
=-42
(3)原式
(4)原式
=
=
=6-1-
=-1+1
=
="0"
(5)原式
=
=
=

=-(24+16+5)+3 =

=-45+3 =-8
=-42
(3)原式


=


=6-1-

=

(5)原式

=

=

=


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