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脱式计算.注意使计算简便16+34×23÷2 (34+12-712 )×241724×34+1724÷4 2-613÷926-23 [4-(34-38 )]×429.

编辑:chaxungu时间:2026-04-27 14:17:49分类:小学数学题库

脱式计算,注意使计算简便
1
6
+
3
4
×
2
3
÷2
3
4
+
1
2
-
7
12
)×24
17
24
×
3
4
+
17
24
÷4
2-
6
13
÷
9
26
-
2
3

[4-(
3
4
-
3
8
)]×
4
29
(1)
1
6
+
3
4
×
2
3
÷2
=
1
6
+
3
4
×
2
3
×
1
2

=
1
6
+
1
4

=
5
12


(2)(
3
4
+
1
2
-
7
12
)×24
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=30-14,
=16;

(3)
17
24
×
3
4
+
17
24
÷4
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
3
4
+
1
4
),
=
17
24
×1,
=
17
24


(4)2-
6
13
÷
9
26
-
2
3

=2-
6
13
×
26
9
-
2
3

=2-
4
3
-
2
3

=2-(
4
3
+
2
3
),
=2-2,
=0;

(5)[4-(
3
4
-
3
8
)]×
4
29

=[4-
3
8
4
29

=3
5
8
×
4
29

=
1
2