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计算(1)3(−4)3×(-12)2-327(2)(-3)2+(3(a−1)0)+|3-π|(3)(-2x4y5)3•(-3x3y2)2÷(-12x10y10)(4)(m+1)2-5(m+1)(m-1)+3(m-1)2.
题目详情
计算
(1)
×(-
)2-
(2)(-
)2+(
)+|3-π|
(3)(-2x4y5)3•(-3x3y2)2÷(-12x10y10)
(4)(m+1)2-5(m+1)(m-1)+3(m-1)2.
(1)
3 | (−4)3 |
1 |
2 |
3 | 27 |
(2)(-
3 |
3 | (a−1)0 |
(3)(-2x4y5)3•(-3x3y2)2÷(-12x10y10)
(4)(m+1)2-5(m+1)(m-1)+3(m-1)2.
▼优质解答
答案和解析
(1)原式=-4×
-3
=-1-3
=-4;
(2)原式=3+1+π-3
=1+π;
(3)原式=-8x12y15•9x6y4÷(-12x10y10)
=6x8y9;
(4)原式=m2+2m+1-5m2+5+3m2-6m+3
=-m2-4m+9.
1 |
4 |
=-1-3
=-4;
(2)原式=3+1+π-3
=1+π;
(3)原式=-8x12y15•9x6y4÷(-12x10y10)
=6x8y9;
(4)原式=m2+2m+1-5m2+5+3m2-6m+3
=-m2-4m+9.
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