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> 计算(1)(12)0-2-1(2)(a2)3-2a7÷a.-数学
计算(1)(12)0-2-1(2)(a2)3-2a7÷a.-数学
题目简介
计算(1)(12)0-2-1(2)(a2)3-2a7÷a.-数学
题目详情
计算
(1)
(
1
2
)
0
-
2
-1
(2)(a
2
)
3
-2a
7
÷a.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=1-
class="stub"1
2
=
class="stub"1
2
;
(2)原式=a6-2a6
=-a6.
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题目简介
计算(1)(12)0-2-1(2)(a2)3-2a7÷a.-数学
题目详情
(1)(
(2)(a2)3-2a7÷a.
答案
=
(2)原式=a6-2a6
=-a6.