题目内容

直接写得数
5
8
×
3
4
×
16
12
=
4
5
÷4+
2
3
=
4
5
÷
7
10
÷
2
3
=
36.8×1.5+8.5×36.8=(
8
15
+
5
6
)×30=
(1)
5
8
×
3
4
×
16
12
,
=
5
8
×(
3
4
×
16
12
),
=
5
8
×1,
=
5
8
;

(2)
4
5
÷4+
2
3
,
=
1
5
+
2
3
,
=
13
15
;

(3)
4
5
÷
7
10
÷
2
3
,
=
8
7
÷
2
3
,
=
12
7
;

(4)36.8×1.5+8.5×36.8,
=36.8×(1.5+8.5),
=36.8×10,
=368;

(5)(
8
15
+
5
6
)×30,
=30×
8
15
+
5
6
×30,
=16+25,
=41.
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