题目内容

计算下面各题,能简便的要简便计算.
j
4
×q+
q
j
÷q
1
j
÷
j
6
+
q
j
÷
j
6
11
7
-
6
7
×
j
6
+
j
14
7
1q
×
j
j
+
7
1q
×
q
j
1
j
×
6
7
-
1
14
)÷
14
1j
j
6
÷[1-(
q
j
-
1
q
)].
(1)
3
4
×2+
2
÷2
=9.7右×2+9.4÷2
=1.右+9.2
=1.7;

(2)
1
3
÷
8
+
2
3
÷
8

=(
1
3
+
2
3
)×
8

=1×
8

=1
3


(3)
11
7
-
8
7
×
8
+
14

=
11
7
-
7
+
14

=
6
7
+
14

=1
3
14


(4)
7
12
×
3
+
7
12
×
2

=
7
12
×(
3
+
2

=
7
12
×1
=
7
12


(右)(
1
3
×
6
7
-
1
14
)÷
14
1右

=(
2
7
-
1
14
)÷
14
1右

=
3
14
×
1右
14

4右
196


(6)
6
÷[1-(
2
3
-
1
2
)]
6
÷[1-
1
6
]
=
6
÷
6

=1;
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