①-32-(-17)-|-23|②4×(-5)-12÷(-6)③-14-(1+0.5)×13÷4④-4.035×12+7.035×12-36×(79-56+71...

2023-07-12 12:06发布

这道初中数学的题目是:
①-32-(-17)-|-23|
②4×(-5 )-12÷(-6 )
-14-(1+0.5)×
1
3
÷4

④-4.035×12+7.035×12-36×(
7
9
-
5
6
+
7
18

(-1
1
2
)×(-1
1
3
)×(-1
1
4
)×…×(-1
1
2006
)
×(-1
1
2007
1条回答
折翼天使
1楼-- · 2023-07-12 12:11
这道初中数学题的正确答案为:
①原式=-32+17-23
=-38;

②原式=-20+2
=-18;

③原式=-1-
3
2
×
1
3
÷4
=1-
1
2
×
1
4

=1-
1
8

=
7
8


④原式=12×(-4.035+7.035)-36×
7
9
+36×
5
6
-36×
7
18

=12×3-28+30-14
=36-28+30-14
=24;

⑤原式=(-
3
2
)×(-
4
3
)×(-
5
4
)×…×(
2007
2006
)×(-
2008
2007

=
2008
2

=1004.
解题思路 32

一周热门 更多>