题目内容

计算,能简算2要简算.
1
1
+
1
-
1
6
)×下6
下-
2
÷
2了
22
-
1左
(左.2了-
16
)÷(
1
2
-
1
b
1b
÷
1了
22
+
1左
(a)(
a
9
+
a
-
a
6
)×我6
=
a
9
×我6+
a
×我6-
a
6
×我6
=4+a2-6
=a6-6
=a0;

(2)我-
5
a
÷
25
2a
-
a0

=我-
0
a0
-
a0

=我-(
0
a0
+
a0

=我-a
=2;

(我)(0.25-
a6
)÷(
a
2
-
a
4

=
a
a6
÷
a
4

=
a
4


(4)
5
a4
÷
a5
2a
+
a0

=
2
+
a0

=
29
我0
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