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计算:(1)(23−14−38+524)×48(2)(−1)3−(−812)×417+(−3)3÷[(−2)5+5](3)−32−13×[(−5)2×(−35)−240÷(−4)×14](4)3x-x2+5x3-2x2-6x-5x3.
题目详情
计算:
(1)(
−
−
+
)×48
(2)(−1)3−(−8
)×
+(−3)3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.
(
−
−
+
)×48
(2)(−1)3−(−8
)×
+(−3)3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.
2 2 3 3
1 1 4 4
3 3 8 8
5 5 24 24
(−1)3−(−8
)×
+(−3)3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.)3−(−8
)×
+(−3)3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.)3−(−8
)×
+(−3)3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.3−(−8
)×
+(−3)3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.
1 1 2 2
4 4 17 17 )3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.)3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.3÷[(−2)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.)5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.5+5]
(3)−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.
−32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.32−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.2−
×[(−5)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.
1 1 3 3 )2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.)2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.2×(−
)−240÷(−4)×
]
(4)3x-x2+5x3-2x2-6x-5x3.
3 3 5 5
1 1 4 4
2323
(1)(
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 8 |
| 5 |
| 24 |
(2)(−1)3−(−8
| 1 |
| 2 |
| 4 |
| 17 |
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.
(
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 8 |
| 5 |
| 24 |
(2)(−1)3−(−8
| 1 |
| 2 |
| 4 |
| 17 |
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 8 |
| 5 |
| 24 |
(−1)3−(−8
| 1 |
| 2 |
| 4 |
| 17 |
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.)3−(−8
| 1 |
| 2 |
| 4 |
| 17 |
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.)3−(−8
| 1 |
| 2 |
| 4 |
| 17 |
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.3−(−8
| 1 |
| 2 |
| 4 |
| 17 |
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.
| 1 |
| 2 |
| 4 |
| 17 |
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.)3÷[(−2)5+5]
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.3÷[(−2)5+5]
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.)5+5]
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.)5+5]
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.5+5]
(3)−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.
−32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.32−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.2−
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.)2×(−
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.2×(−
| 3 |
| 5 |
| 1 |
| 4 |
(4)3x-x2+5x3-2x2-6x-5x3.
| 3 |
| 5 |
| 1 |
| 4 |
2323
▼优质解答
答案和解析
(1)原式=32-12-18+10=12;
(2)原式=-1+
×
-27÷(-32+5)=-1+2+1=2;
(3)原式=-9-
×(-15+15)=-9;
(4)原式=-3x2-3x.
17 17 172 2 2×
-27÷(-32+5)=-1+2+1=2;
(3)原式=-9-
×(-15+15)=-9;
(4)原式=-3x2-3x.
4 4 417 17 17-27÷(-32+5)=-1+2+1=2;
(3)原式=-9-
×(-15+15)=-9;
(4)原式=-3x2-3x.
1 1 13 3 3×(-15+15)=-9;
(4)原式=-3x22-3x.
(2)原式=-1+
| 17 |
| 2 |
| 4 |
| 17 |
(3)原式=-9-
| 1 |
| 3 |
(4)原式=-3x2-3x.
| 17 |
| 2 |
| 4 |
| 17 |
(3)原式=-9-
| 1 |
| 3 |
(4)原式=-3x2-3x.
| 4 |
| 17 |
(3)原式=-9-
| 1 |
| 3 |
(4)原式=-3x2-3x.
| 1 |
| 3 |
(4)原式=-3x22-3x.
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