题目内容

计算:
(1)(-3)2-
3
5
×[3×(-
2
3
2-14]+8×[(
1
2
2-(-
1
2
3-1];
(2)[(1-
1
3
2-(-1
2
3
)÷(-1
1
8
)]×(-1
1
2
3
(1)原式=9-
3
5
×(3×
4
9
-1)+8×(
1
4
+
1
8
-1)
=9-
3
5
×
1
3
+2+1-8
=4-
1
5

=3
4
5

(2)原式=[(
2
3
2-
5
3
×
8
9
]×(-
3
2
3
=(
4
9
-
40
27
)×(-
27
8

=
4
9
×(-
27
8
)-
40
27
×(-
27
8

=-
3
2
+5
=3
1
2
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网