(1)-22-|-3|(2)15×(-5)÷(-15)×5(3)12-(-18)+(-7)-15(4)(-10)+8×(-2)2-(-4)×(-3)(5)(-5...

2023-07-11 13:05发布

这道初中数学的题目是:
(1)-22-|-3|
(2)
1
5
×(-5)÷(-
1
5
)×5

(3)12-(-18)+(-7)-15
(4)(-10)+8×(-2)2-(-4)×(-3)
(5)(-
5
6
+
2
3
-
3
4
)÷
1
12

(6)(-2)3-22-(-1)2004÷[(
1
3
-
1
2
)]×6-|5|
1条回答
双色猫眼se
2023-07-11 13:15
这道初中数学题的正确答案为:
(1)-22-|-3|
=-4-3
=-7;

(2)
1
5
×(-5)÷(-
1
5
)×5

=1×5×5
=5×5
=25;

(3)12-(-18)+(-7)-15
=12+18-7-15
=30-22
=8;

(4)(-10)+8×(-2)2-(-4)×(-3)
=-10+8×4-12
=-10+32-12
=10;

(5)(-
5
6
+
2
3
-
3
4
)÷
1
12

=(-
5
6
+
2
3
-
3
4
)×12
=-
5
6
×12+
2
3
×12-
3
4
×12
=-10+8-9
=-11;

(6)(-2)3-22-(-1)2004÷[(
1
3
-
1
2
)]×6-|5|
=-8-4-1÷
1
6
×6-5
=-8-4-36-5
=-53.
解题思路 15

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