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> 计算:(1)(-1)2012+(-12)-2-(3.14-π)0(2)(2x3y)2•(-2xy)+(-2x3y)3÷(2x2)(3)(6m2n-6m2n2-3m2)÷(-3m2)-数学
计算:(1)(-1)2012+(-12)-2-(3.14-π)0(2)(2x3y)2•(-2xy)+(-2x3y)3÷(2x2)(3)(6m2n-6m2n2-3m2)÷(-3m2)-数学
题目简介
计算:(1)(-1)2012+(-12)-2-(3.14-π)0(2)(2x3y)2•(-2xy)+(-2x3y)3÷(2x2)(3)(6m2n-6m2n2-3m2)÷(-3m2)-数学
题目详情
计算:
(1)
(-1
)
2012
+(-
1
2
)
-2
-(3.14-π
)
0
(2)(2x
3
y)
2
•(-2xy)+(-2x
3
y)
3
÷(2x
2
)
(3)(6m
2
n-6m
2
n
2
-3m
2
)÷(-3m
2
)
题型:解答题
难度:中档
来源:不详
答案
(1)原式=1+4-1=4;
(2)原式=4x6y2•(-2xy)÷2x2=-4x5y3;
(3)原式=-2n+2n2+1.
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题目简介
计算:(1)(-1)2012+(-12)-2-(3.14-π)0(2)(2x3y)2•(-2xy)+(-2x3y)3÷(2x2)(3)(6m2n-6m2n2-3m2)÷(-3m2)-数学
题目详情
(1)(-1)2012+(-
(2)(2x3y)2•(-2xy)+(-2x3y)3÷(2x2)
(3)(6m2n-6m2n2-3m2)÷(-3m2)
答案
(2)原式=4x6y2•(-2xy)÷2x2=-4x5y3;
(3)原式=-2n+2n2+1.