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怎样简便就怎样算. 34×815÷89 (23-19)÷526 29÷[(1-37)×56] 95+1112+112+15 35÷6+16×25 (23+14-16)×12.

编辑:chaxungu时间:2026-04-27 13:18:59分类:小学数学题库

怎样简便就怎样算.
3
4
×
8
15
÷
8
9
(
2
3
-
1
9
)÷
5
26
2
9
÷[(1-
3
7
)×
5
6
]
9
5
+
11
12
+
1
12
+
1
5
3
5
÷6+
1
6
×
2
5
(
2
3
+
1
4
-
1
6
)×12.
(1)
3
4
×
8
15
÷
8
9
,
=
3
4
×
8
15
×
9
8
,
=
9
20
;

(2)(
2
3
-
1
9
)÷
5
26
,
=
5
9
×
26
5
,
=
26
9
;

(3)
2
9
÷[(1-
3
7
)×
5
6
],
=
2
9
÷[
4
7
×
5
6
],
=
2
9
×
21
10
,
=
7
15
;

(4)
9
5
+
11
12
+
1
12
+
1
5
,
=(
9
5
++
1
5
)+(
11
12
+
1
12
),
=2+1,
=3;

(5)
3
5
÷6+
1
6
×
2
5
,
=
3
5
×
1
6
+
1
6
×
2
5
,
=(
3
5
+
2
5
)×
1
6
,
=
1
6
;

(6)(
2
3
+
1
4
-
1
6
)×12,
=
2
3
×12+
1
4
×12-
1
6
×12,
=8+3-2,
=9.