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> 计算:(1)28-1212+613(2)(3-2)2+(5-3)(5+3).-数学
计算:(1)28-1212+613(2)(3-2)2+(5-3)(5+3).-数学
题目简介
计算:(1)28-1212+613(2)(3-2)2+(5-3)(5+3).-数学
题目详情
计算:
(1)
2
8
-
1
2
12
+6
1
3
(2)
(
3
-
2
)
2
+(
5
-
3
)(
5
+
3
)
.
题型:解答题
难度:中档
来源:不详
答案
(1)
2
8
-
class="stub"1
2
12
+6
class="stub"1
3
=
4
2
-
3
+2
3
=
4
2
+
3
;
(2)
(
3
-
2
)
2
+(
5
-
3
)(
5
+
3
)
=
3-2
6
+2+5-3
=
7-2
6
.
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题目简介
计算:(1)28-1212+613(2)(3-2)2+(5-3)(5+3).-数学
题目详情
(1)2
(2)(
答案
(2)(