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(1718-34+16)÷136 23÷8+13×18 516×12×34×16 916÷(38+116) 45×56+25÷35 45÷[(58-12)÷58].

编辑:chaxungu时间:2026-04-27 13:19:01分类:小学数学题库

(
17
18
-
3
4
+
1
6
)÷
1
36
2
3
÷8+
1
3
×
1
8
5
16
×12×
3
4
×16
9
16
÷(
3
8
+
1
16
)
4
5
×
5
6
+
2
5
÷
3
5
4
5
÷[(
5
8
-
1
2
)÷
5
8
].

(1)(
17
18
-
3
4
+
1
6
)÷
1
36
,
=(
17
18
-
3
4
+
1
6
)×36,
=
17
18
×36-
3
4
×36+
1
6
×36,
=34-27+6,
=7+6,
=13;

(2)
2
3
÷8+
1
3
×
1
8
,
=
2
3
×
1
8
+
1
3
×
1
8
,
=(
2
3
+
1
3
)×
1
8
,
=1×
1
8
,
=
1
8
;

(3)
5
16
×12×
3
4
×16,
=(
5
16
×16)×(
3
4
×12),
=5+9,
=14;

(4)
9
16
÷(
3
8
+
1
16
),
=
9
16
÷
7
16
,
=
9
16
×
16
7
,
=
9
7
;

(5)
4
5
×
5
6
+
2
5
÷
3
5
,
=
2
3
+
2
3
,
=
4
3
;

(6)
4
5
÷[(
5
8
-
1
2
)÷
5
8
],
=
4
5
÷[
1
8
÷
5
8
],
=
4
5
÷
1
5
,
=4.