题目内容

脱式计算:
f
0
÷
3
f下
+
5
8
×
y
5
yf
÷
0
8
×
0
(f-
f
3
×
0
)÷
5
8
[
f
8
-(
5
f下
-
f
3
)]×
0
(1)
1
2
÷
3
14
+
2
×
2
2

=
2
3
+
1
4

=
11
12


(2)
21
4
÷
2
×
4
2

=
21
4
×
2
×
4
2

=
24
2


(3)(1-
1
3
×
2
4
)÷
2
6

=(1-
2
12
)÷
2
6

=
2
12
÷
2
6

=
1
2


(4)[
1
6
-(
2
14
-
1
3
)]×
2
9

=[
1
6
-
1
42
2
9

=
1
2
×
2
9

=
1
9
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