题目内容
计算题. (1)(-5)×6×(-
)×
(2)-1100-(1-0.5)×
×[3-(-3)2]
(3)-32+(-3)2+(-5)2×(-
)-0.32÷|-0.9|
(4)(-2×5)3-(-1
)×(-
)2-(-
)2
| 4 |
| 5 |
| 1 |
| 4 |
(2)-1100-(1-0.5)×
| 1 |
| 3 |
(3)-32+(-3)2+(-5)2×(-
| 4 |
| 5 |
(4)(-2×5)3-(-1
| 7 |
| 9 |
| 3 |
| 4 |
| 1 |
| 0.1 |
(1)(-5)×6×(-
)×
,
=5×6×
,
=6;
(2)原式=-1-
×
×(-6)=-1+1=0;
(3)原式=-9+9+25×(-
)-0.09÷0.9,
=-9+9+(-20)-0.1,
=-20-0.1,
=-20.1;
(4)(-2×5)3-(-1
)×(-
)2-(-
)2,
=-1000+
×
-100,
=-1099.
| 4 |
| 5 |
| 1 |
| 4 |
=5×6×
| 1 |
| 5 |
=6;
(2)原式=-1-
| 1 |
| 2 |
| 1 |
| 3 |
(3)原式=-9+9+25×(-
| 4 |
| 5 |
=-9+9+(-20)-0.1,
=-20-0.1,
=-20.1;
(4)(-2×5)3-(-1
| 7 |
| 9 |
| 3 |
| 4 |
| 1 |
| 0.1 |
=-1000+
| 16 |
| 9 |
| 9 |
| 16 |
=-1099.
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