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简算.(1)23.13÷(23.13÷14)×4(2)459÷1023+549×2.3(3)38×14+0.25×41.5+2012×25%(4)49.5×1035-(50-12)×0.6.

题目详情
简算.
(1)23.13÷(23.13÷
1
4
)×4
(2)4
5
9
÷
10
23
+5
4
9
×2.3
(3)38×
1
4
+0.25×41.5+20
1
2
×25%
(4)49.5×10
3
5
-(50-
1
2
)×0.6.

1
4
)×4
(2)4
5
9
÷
10
23
+5
4
9
×2.3
(3)38×
1
4
+0.25×41.5+20
1
2
×25%
(4)49.5×10
3
5
-(50-
1
2
)×0.6.
1
4
1144
5
9
÷
10
23
+5
4
9
×2.3
(3)38×
1
4
+0.25×41.5+20
1
2
×25%
(4)49.5×10
3
5
-(50-
1
2
)×0.6.
5
9
5599
10
23
+5
4
9
×2.3
(3)38×
1
4
+0.25×41.5+20
1
2
×25%
(4)49.5×10
3
5
-(50-
1
2
)×0.6.
10
23
10102323
4
9
×2.3
(3)38×
1
4
+0.25×41.5+20
1
2
×25%
(4)49.5×10
3
5
-(50-
1
2
)×0.6.
4
9
4499
1
4
+0.25×41.5+20
1
2
×25%
(4)49.5×10
3
5
-(50-
1
2
)×0.6.
1
4
1144
1
2
×25%
(4)49.5×10
3
5
-(50-
1
2
)×0.6.
1
2
1122
3
5
-(50-
1
2
)×0.6.
3
5
3355
1
2
)×0.6.
1
2
1122
▼优质解答
答案和解析
(1)23.13÷(23.13÷
1
4
)×4
=23.13÷23.13×
1
4
×4
=1

2)4
5
9
÷
10
23
+5
4
9
×2.3
=2.3×(4
5
9
+5
4
9

=2.3×10
=23

(3)38×
1
4
+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
1
4
111444)×4
=23.13÷23.13×
1
4
×4
=1

2)4
5
9
÷
10
23
+5
4
9
×2.3
=2.3×(4
5
9
+5
4
9

=2.3×10
=23

(3)38×
1
4
+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
1
4
111444×4
=1

2)4
5
9
÷
10
23
+5
4
9
×2.3
=2.3×(4
5
9
+5
4
9

=2.3×10
=23

(3)38×
1
4
+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
5
9
555999÷
10
23
+5
4
9
×2.3
=2.3×(4
5
9
+5
4
9

=2.3×10
=23

(3)38×
1
4
+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
10
23
101010232323+5
4
9
×2.3
=2.3×(4
5
9
+5
4
9

=2.3×10
=23

(3)38×
1
4
+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
4
9
444999×2.3
=2.3×(4
5
9
+5
4
9

=2.3×10
=23

(3)38×
1
4
+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
5
9
555999+5
4
9

=2.3×10
=23

(3)38×
1
4
+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
4
9
444999)
=2.3×10
=23

(3)38×
1
4
+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
1
4
111444+0.25×41.5+20
1
2
×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
1
2
111222×25%
=
1
4
×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
1
4
111444×(38+41.5+20.5)
=0.25×100
=25

(4)49.5×10
3
5
-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
3
5
333555-(50-
1
2
)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495
1
2
111222)×0.6
=49.5×(10.6-0.6)
=49.5×10
=495