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> 计算(1)348-913+312(2)(48+20)+(12-5)-数学
计算(1)348-913+312(2)(48+20)+(12-5)-数学
题目简介
计算(1)348-913+312(2)(48+20)+(12-5)-数学
题目详情
计算
(1)3
48
-9
1
3
+3
12
(2)(
48
+
20
)+(
12
-
5
)
题型:解答题
难度:中档
来源:不详
答案
(1)原式=12
3
-3
3
+6
3
=15
3
,
(2)原式=4
3
+2
5
+2
3
-
5
=6
3
+
5
.
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计算12-3的结果是()A.3B.3C.23D.33-
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计算:11+3+13+5+15+7+…+1119+1
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题目简介
计算(1)348-913+312(2)(48+20)+(12-5)-数学
题目详情
(1)3
(2)(
答案
=15
(2)原式=4
=6