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> 计算:(12)-2-(2-1)0=______;分解因式:3x2y-6xy+3y=______.-数学
计算:(12)-2-(2-1)0=______;分解因式:3x2y-6xy+3y=______.-数学
题目简介
计算:(12)-2-(2-1)0=______;分解因式:3x2y-6xy+3y=______.-数学
题目详情
计算:
(
1
2
)
-2
-
(
2
-1)
0
=______;分解因式:3x
2
y-6xy+3y=______.
题型:填空题
难度:中档
来源:不详
答案
(
class="stub"1
2
)
-2
-
(
2
-1)
0
=22-1=4-1=3;
3x2y-6xy+3y=3y(x2-2x+1)=3y(x-1)2.
故答案为3、3y(x-1)2.
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题目简介
计算:(12)-2-(2-1)0=______;分解因式:3x2y-6xy+3y=______.-数学
题目详情
答案
3x2y-6xy+3y=3y(x2-2x+1)=3y(x-1)2.
故答案为3、3y(x-1)2.