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脱式计算,能简算的要简算.(1)0.95×27+57×0.95(2)519−1317−417+1419(3)10000÷25÷8÷4(4)59+79-1.625-2.375+3.

题目详情
脱式计算,能简算的要简算.
(1)0.95×
2
7
+
5
7
×0.95
(2)
5
19
13
17
4
17
+
14
19

(3)10000÷25÷8÷4 
(4)
5
9
+
7
9
-1.625-2.375+3.

2
7
+
5
7
×0.95
(2)
5
19
13
17
4
17
+
14
19

(3)10000÷25÷8÷4 
(4)
5
9
+
7
9
-1.625-2.375+3.
2
7
2277
5
7
5577
5
19
13
17
4
17
+
14
19

(3)10000÷25÷8÷4 
(4)
5
9
+
7
9
-1.625-2.375+3.
5
19
551919
13
17
13131717
4
17
441717
14
19
14141919

5
9
+
7
9
-1.625-2.375+3.
5
9
5599
7
9
7799
▼优质解答
答案和解析

(1)0.95×
2
7
+
5
7
×0.95,
=0.95×(
2
7
+
5
7
),
=0.95;

(2)
5
19
13
17
4
17
+
14
19

=(
5
19
+
14
19
)-(
13
17
+
4
17
),
=1-1,
=0;

(3)10000÷25÷8÷4,
=10000÷(25×8×4),
=10000÷800,
=12.5;

(4)
5
9
+
7
9
-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
2
7
222777+
5
7
555777×0.95,
=0.95×(
2
7
+
5
7
),
=0.95;

(2)
5
19
13
17
4
17
+
14
19

=(
5
19
+
14
19
)-(
13
17
+
4
17
),
=1-1,
=0;

(3)10000÷25÷8÷4,
=10000÷(25×8×4),
=10000÷800,
=12.5;

(4)
5
9
+
7
9
-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
2
7
222777+
5
7
555777),
=0.95;

(2)
5
19
13
17
4
17
+
14
19

=(
5
19
+
14
19
)-(
13
17
+
4
17
),
=1-1,
=0;

(3)10000÷25÷8÷4,
=10000÷(25×8×4),
=10000÷800,
=12.5;

(4)
5
9
+
7
9
-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
5
19
555191919−
13
17
131313171717−
4
17
444171717+
14
19
141414191919,
=(
5
19
+
14
19
)-(
13
17
+
4
17
),
=1-1,
=0;

(3)10000÷25÷8÷4,
=10000÷(25×8×4),
=10000÷800,
=12.5;

(4)
5
9
+
7
9
-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
5
19
555191919+
14
19
)-(
13
17
+
4
17
),
=1-1,
=0;

(3)10000÷25÷8÷4,
=10000÷(25×8×4),
=10000÷800,
=12.5;

(4)
5
9
+
7
9
-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
14
19
141414191919)-(
13
17
+
4
17
),
=1-1,
=0;

(3)10000÷25÷8÷4,
=10000÷(25×8×4),
=10000÷800,
=12.5;

(4)
5
9
+
7
9
-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
13
17
131313171717+
4
17
),
=1-1,
=0;

(3)10000÷25÷8÷4,
=10000÷(25×8×4),
=10000÷800,
=12.5;

(4)
5
9
+
7
9
-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
4
17
444171717),
=1-1,
=0;

(3)10000÷25÷8÷4,
=10000÷(25×8×4),
=10000÷800,
=12.5;

(4)
5
9
+
7
9
-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
5
9
555999+
7
9
777999-1.625-2.375+3,
=(
5
9
+
7
9
+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
5
9
555999+
7
9
777999+3)-(1.625+2.375),
=4
1
3
-4,
=
1
3
1
3
111333-4,
=
1
3
1
3
111333.