题目内容
(1)-22-|-3|
(2)
×(-5)÷(-
)×5
(3)12-(-18)+(-7)-15
(4)(-10)+8×(-2)2-(-4)×(-3)
(5)(-
+
-
)÷
(6)(-2)3-22-(-1)2004÷[(
-
)]×6-|5|
(2)
| 1 |
| 5 |
| 1 |
| 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 |
(1)-22-|-3|
=-4-3
=-7;
(2)
×(-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)(-
+
-
)÷
=(-
+
-
)×12
=-
×12+
×12-
×12
=-10+8-9
=-11;
(6)(-2)3-22-(-1)2004÷[(
-
)]×6-|5|
=-8-4-1÷
×6-5
=-8-4-36-5
=-53.
=-4-3
=-7;
(2)
| 1 |
| 5 |
| 1 |
| 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 |
=-
| 5 |
| 6 |
| 2 |
| 3 |
| 3 |
| 4 |
=-10+8-9
=-11;
(6)(-2)3-22-(-1)2004÷[(
| 1 |
| 3 |
| 1 |
| 2 |
=-8-4-1÷
| 1 |
| 6 |
=-8-4-36-5
=-53.
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有理数-22,(-2)3,-|-2|,-(-
)中,负数有( )
| 1 |
| 2 |
| A、1个 | B、2个 | C、3个 | D、4个 |