题目内容
计算:
(1)-32-(-2)2;
(2)(-10)2+[(-4)2-(3+32)×2];
(3)(-1)4+(-23)÷
×(-
)3;
(4)(-2)2010+(-2)2011;
(5)(-0.25)2010×42011.
(1)-32-(-2)2;
(2)(-10)2+[(-4)2-(3+32)×2];
(3)(-1)4+(-23)÷
| 4 |
| 9 |
| 2 |
| 3 |
(4)(-2)2010+(-2)2011;
(5)(-0.25)2010×42011.
(1)-32-(-2)2,
=-9-4,
=-13;
(2)(-10)2+[(-4)2-(3+32)×2],
=100+[16-(3+9)×2],
=100+(16-24),
=100-8,
=92;
(3)(-1)4+(-23)÷
×(-
)3,
=1-8×
×(-
),
=1+
,
=
;
(4)(-2)2010+(-2)2011,
=(-2)2010+(-2)×(-2)2010,
=(1-2)×(-2)2010,
=-22010;
(5)(-0.25)2010×42011,
=(-0.25)2010×4×42010,
=(-0.25×4)2010×4,
=1×4,
=4.
=-9-4,
=-13;
(2)(-10)2+[(-4)2-(3+32)×2],
=100+[16-(3+9)×2],
=100+(16-24),
=100-8,
=92;
(3)(-1)4+(-23)÷
| 4 |
| 9 |
| 2 |
| 3 |
=1-8×
| 9 |
| 4 |
| 8 |
| 27 |
=1+
| 16 |
| 3 |
=
| 19 |
| 3 |
(4)(-2)2010+(-2)2011,
=(-2)2010+(-2)×(-2)2010,
=(1-2)×(-2)2010,
=-22010;
(5)(-0.25)2010×42011,
=(-0.25)2010×4×42010,
=(-0.25×4)2010×4,
=1×4,
=4.
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