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计算(1)-17+23+(-16)(2)3-2×(-5)2(3)(-6)×(-2)+4÷(-2)2(4)66×(12-13×511)(5)-12×58-|-5|×(-2)2+4(6)-32×12-(-3)2÷(-1)2007+327.

题目详情
计算
(1)-17+23+(-16)
(2)3-2×(-5)2
(3)(-6)×(-2)+4÷(-2)2
(4)66×(
1
2
-
1
3
×
5
11

(5)-12×
5
8
-|-5|×(-2)2+
4

(6)-32×
1
2
-(-3)2÷(-1)2007+
327
▼优质解答
答案和解析
(1)-17+23+(-16),
=-17+(-16)+23,
=-33+23,
=-10,
(2)3-2×(-5)2
=3-2×25,
=3-50,
=-47;

(3)(-6)×(-2)+4÷(-2)2
=12+4÷4,
=12+1,
=13,

(4)66×(
1
2
-
1
3
×
5
11
),
=66×
1
2
-66×
1
3
×
5
11

=33-10,
=23;
(5)-12×
5
8
-|-5|×(-2)2+
4

=-
5
8
-5×4+2,
=-18
5
8


(6)-32×
1
2
-(-3)2÷(-1)2007+
327

=-9×
1
2
-9÷(-1)+3,
=-
9
2
+9+3,
=
15
2