题目内容

计算
17
18
-
3
4
+
1
6
)÷
1
36
2
3
÷8+
1
3
×
1
8
5
16
×12×
3
4
×16
9
16
÷(
3
8
+
1
16
4
5
×
5
6
+
2
5
÷
3
5
3
4
×40%+
3
4
×60%
4
5
÷[(
5
8
-
1
2
)÷
5
8
]
5
6
-
3
7
)×42.
(1)(
17
18
-
3
4
+
1
6
)÷
1
36

=(
17
18
-
3
4
+
1
6
)×36,
=
17
18
×36-
3
4
×36+
1
6
×36,
=34-27+6,
=7+6,
=13;

(2)
2
3
÷8+
1
3
×
1
8

=
2
3
×
1
8
+
1
3
×
1
8

=(
2
3
+
1
3
)×
1
8

=1×
1
8

=
1
8


(3)
5
16
×12×
3
4
×16,
=(
5
16
×16)×(
3
4
×12),
=5×9,
=45;

(4)
9
16
÷(
3
8
+
1
16
),
=
9
16
÷
7
16

=
9
7


(5)
4
5
×
5
6
+
2
5
÷
3
5

=
2
3
+
2
3

=
4
3


(6)
3
4
×40%+
3
4
×60%,
=
3
4
×(40%+60%),
=
3
4
×1,
=
3
4


(7)
4
5
÷[(
5
8
-
1
2
)÷
5
8
],
=
4
5
÷[
1
8
÷
5
8
],
=
4
5
÷
1
5

=4;

(8)(
5
6
-
3
7
)×42,
=
5
6
×42-
3
7
×42,
=35-18,
=17.
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