题目内容
计算下列各题:
(1)(-4)2×[(-1)5+
+(-
)3]
(2)-42×
+|-2|3×(-
)3
(3)32-(-3)3×(
)2×(-1)101-0.028÷(-2)2
(4)-17-
×[-22-(-3)2]×[(-2)3+0÷(-1)5]
(5)
×(-
)-(-
)×(-
)-
×(-1
).
(1)(-4)2×[(-1)5+
| 3 |
| 4 |
| 1 |
| 2 |
(2)-42×
| 1 |
| (-4)2 |
| 1 |
| 2 |
(3)32-(-3)3×(
| 1 |
| 6 |
(4)-17-
| 4 |
| 13 |
(5)
| 4 |
| 13 |
| 13 |
| 14 |
| 5 |
| 13 |
| 13 |
| 14 |
| 13 |
| 14 |
| 2 |
| 13 |
(1)原式=16×[-1+
-
]
=-16+12-2
=-6;
(2)原式=-16×
-8×
=-1-1=-2;
(3)原式=9+27×
×(-1)-0.028÷4
=9-0.75-0.007
=8.243
(4)原式=-1-
×[-4-9]×[-8+0]
=-1+4×(-8)
=-33
(5)原式=-
×
-
×
+
×
=
(-
-
+
)
=
×
=
| 3 |
| 4 |
| 1 |
| 8 |
=-16+12-2
=-6;
(2)原式=-16×
| 1 |
| 16 |
| 1 |
| 8 |
(3)原式=9+27×
| 1 |
| 36 |
=9-0.75-0.007
=8.243
(4)原式=-1-
| 4 |
| 13 |
=-1+4×(-8)
=-33
(5)原式=-
| 4 |
| 13 |
| 13 |
| 14 |
| 5 |
| 13 |
| 13 |
| 14 |
| 13 |
| 14 |
| 15 |
| 13 |
=
| 13 |
| 14 |
| 4 |
| 13 |
| 5 |
| 13 |
| 15 |
| 13 |
=
| 13 |
| 14 |
| 6 |
| 13 |
=
| 3 |
| 7 |
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