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脱式计算 23×(1-18-58) 47÷[12×(17+37)] 47÷6+37×16 8-613-713 (56+38)÷(56-38) (56+34-12)×12.

编辑:chaxungu时间:2026-04-27 13:18:12分类:小学数学题库

脱式计算(能简算的要简算)
2
3
×(1-
1
8
-
5
8
)
4
7
÷[
1
2
×(
1
7
+
3
7
)]
4
7
÷6+
3
7
×
1
6
8-
6
13
-
7
13
(
5
6
+
3
8
)÷(
5
6
-
3
8
)
(
5
6
+
3
4
-
1
2
)×12.
(1)
2
3
×(1-
1
8
-
5
8
),
=
2
3
×[1-(
1
8
+
5
8
)],
=
2
3
×[1-
1
4
],
=
2
3
×
3
4
,
=
1
2
;

(2)
4
7
÷[
1
2
×(
1
7
+
3
7
)],
=
4
7
÷[
1
2
×
4
7
],
=
4
7
÷
2
7
,
=2;

(3)
4
7
÷6+
3
7
×
1
6
,
=
4
7
×
1
6
+
3
7
×
1
6
,
=(
4
7
+
3
7
)×
1
6
,
=1×
1
6
,
=
1
6
;

(4)8-
6
13
-
7
13
,
=8-(
6
13
+
7
13
),
=8-1,
=7;

(5)(
5
6
+
3
8
)÷(
5
6
-
3
8
),
=
29
24
÷
11
24
,
=
29
11
;

(6)(
5
6
+
3
4
-
1
2
)×12,
=
5
6
×12+
3
4
×12-
1
2
×12,
=10+9-6,
=19-6,
=13.