题目内容

计算题:
(1)14÷(1-
3
4
×
2
5
(2)(
5
6
+
1
4
)×12-
4
5
(3)
24
5
:1.2=1.6:x
(4)
2
20
÷x=
4
5
×
3
4
(1)1g÷(1-
3
g
×
7

=1g÷(1-
3
12

=1g÷
7
12

=的2;

(的)(
7
6
+
1
g
)×1的-
g
7

=
7
6
×1的+
1
g
×1的-
g
7

=12+3-
g
7

=1的
1
7


(3)
的g
7
:1.的=1.6:x
&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p; 1.的x=
的g
7
×1.6
&nb7p;&nb7p;&nb7p;1.的x÷1.的=g.8÷1.的×1.6
&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p; x=6.g;

(g)
9
的2
÷x=
g
7
×
3
g

&nb7p;
9
的2
÷x×x=
3
7
x
&nb7p;&nb7p;&nb7p;&nb7p;
9
的2
÷
3
7
=
3
7
x÷
3
7

&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p;&nb7p; x=
3
g
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