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> 计算(1)22-123-2+3;(2)(46-38)÷22.-数学
计算(1)22-123-2+3;(2)(46-38)÷22.-数学
题目简介
计算(1)22-123-2+3;(2)(46-38)÷22.-数学
题目详情
计算
(1)2
2
-
1
2
3
-
2
+
3
;
(2)(4
6
-3
8
)÷2
2
.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=(2
2
-
2
)+(
3
-
class="stub"1
2
3
)(1分)
=
2
+
class="stub"1
2
3
;(3分)
(2)原式=(4
6
-6
2
)÷2
2
(1分)
=2
3
-3.(3分)
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题目简介
计算(1)22-123-2+3;(2)(46-38)÷22.-数学
题目详情
(1)2
(2)(4
答案
=
(2)原式=(4
=2