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直接写得数58×34×1612=45÷4+23=45÷710÷23=36.8×1.5+8.5×36.8=(815+56)×30=

题目详情
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=
▼优质解答
答案和解析
(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.