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) ; (4) ;
(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 (4)原式
= =
=6-1- =-1+1
= ="0"
(5)原式
=
=
=
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