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76−35−1554−(37+14)0.5+14−0.5+1445−(78−15)179−16−56+1937+14−114.
题目详情
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0.5+
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▼优质解答
答案和解析
(1)
−
−
,
=
-(
+
),
=
-
,
=
;
(2)
−(
+
),
=
-
-
,
=
-
-
,
=1-
,
=
;
(3)0.5+
−0.5+
,
=(0.5-0.5)+(
+
),
=0+
,
=
;
(4)
−(
−
),
=
−
+
,
=
+
-
,
=1-
,
=
;
(5)
−
−
+
,
=(
+
)-(
+
),
=2-1,
=1;
(6)
+
−
,
=
−
+
,
=
+
,
=
.
(1)
7 |
6 |
3 |
5 |
1 |
5 |
=
7 |
6 |
3 |
5 |
1 |
5 |
=
7 |
6 |
4 |
5 |
=
11 |
30 |
(2)
5 |
4 |
3 |
7 |
1 |
4 |
=
5 |
4 |
3 |
7 |
1 |
4 |
=
5 |
4 |
1 |
4 |
3 |
7 |
=1-
3 |
7 |
=
4 |
7 |
(3)0.5+
1 |
4 |
1 |
4 |
=(0.5-0.5)+(
1 |
4 |
1 |
4 |
=0+
1 |
2 |
=
1 |
2 |
(4)
4 |
5 |
7 |
8 |
1 |
5 |
=
4 |
5 |
7 |
8 |
1 |
5 |
=
4 |
5 |
1 |
5 |
7 |
8 |
=1-
7 |
8 |
=
1 |
8 |
(5)
17 |
9 |
1 |
6 |
5 |
6 |
1 |
9 |
=(
17 |
9 |
1 |
9 |
1 |
6 |
5 |
6 |
=2-1,
=1;
(6)
3 |
7 |
1 |
4 |
1 |
14 |
=
3 |
7 |
1 |
14 |
1 |
4 |
=
5 |
14 |
1 |
4 |
=
17 |
28 |
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