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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×(
-
×
)
(5)-12×
-|-5|×(-2)2+
(6)-32×
-(-3)2÷(-1)2007+
.
(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 |
4 |
(6)-32×
1 |
2 |
3 | 27 |
▼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×(
-
×
),
=66×
-66×
×
,
=33-10,
=23;
(5)-12×
-|-5|×(-2)2+
,
=-
-5×4+2,
=-18
;
(6)-32×
-(-3)2÷(-1)2007+
.
=-9×
-9÷(-1)+3,
=-
+9+3,
=
.
=-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 |
1 |
3 |
5 |
11 |
=33-10,
=23;
(5)-12×
5 |
8 |
4 |
=-
5 |
8 |
=-18
5 |
8 |
(6)-32×
1 |
2 |
3 | 27 |
=-9×
1 |
2 |
=-
9 |
2 |
=
15 |
2 |
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