题目内容
(1)-32÷[-
+(-1
)]
(2)(1
+
-2.75)×(-24)+(-1)2009-|-2|3
(3)-36×(
-
-
)÷(-2)
1 |
2 |
3 |
4 |
(2)(1
1 |
3 |
1 |
8 |
(3)-36×(
1 |
4 |
1 |
9 |
1 |
12 |
(1)原式=-9÷(-
)
=9×
=4;
(2)原式=
×(-24)+
×(-24)-2.75×(-24)-1-23
=-32-3+66-1-8
=22;
(3)原式=[(-36)×
-(-36)×
-(-36)×
]÷(-2)
=[-9+4+3]÷(-2)
=(-2)÷(-2)
=1.
9 |
4 |
=9×
4 |
9 |
=4;
(2)原式=
4 |
3 |
1 |
8 |
=-32-3+66-1-8
=22;
(3)原式=[(-36)×
1 |
4 |
1 |
9 |
1 |
12 |
=[-9+4+3]÷(-2)
=(-2)÷(-2)
=1.
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