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能简算的要简算:(1)432×99-568(2)1429÷4-(3+5÷9)(3)51×68×78÷(17×34×13)(4)1417×(223-0.75)+1512÷1721.
题目详情
能简算的要简算: (1)432×99-568 (2)14
(3)51×68×78÷(17×34×13) (4)1
|
(1)432×99-568
(2)14
2 |
9 |
(3)51×68×78÷(17×34×13)
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
(1)432×99-568
(2)14
2 |
9 |
(3)51×68×78÷(17×34×13)
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
(1)432×99-568
(2)14
2 |
9 |
(3)51×68×78÷(17×34×13)
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
(1)432×99-568
(2)14
2 |
9 |
(3)51×68×78÷(17×34×13)
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
2 |
9 |
(3)51×68×78÷(17×34×13)
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
2 |
9 |
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
2 |
3 |
1 |
2 |
17 |
21 |
1 |
2 |
17 |
21 |
17 |
21 |
▼优质解答
答案和解析
(1)432×99-568
=432×(100-1)-568,
=432×100-432-568,
=43200-(432+568),
=43200-1000,
=42200;
(2)14
÷4-(3+5÷9)
=
×
-(3+
),
=
-
,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
. (1)432×99-568
=432×(100-1)-568,
=432×100-432-568,
=43200-(432+568),
=43200-1000,
=42200;
(2)14
÷4-(3+5÷9)
=
×
-(3+
),
=
-
,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
. (1)432×99-568
=432×(100-1)-568,
=432×100-432-568,
=43200-(432+568),
=43200-1000,
=42200;
(2)14
÷4-(3+5÷9)
=
×
-(3+
),
=
-
,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
. (1)432×99-568
=432×(100-1)-568,
=432×100-432-568,
=43200-(432+568),
=43200-1000,
=42200;
(2)14
÷4-(3+5÷9)
=
×
-(3+
),
=
-
,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
2 9 2 2 2 9 9 9 ÷4-(3+5÷9)
=
×
-(3+
),
=
-
,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
128 9 128 128 128 9 9 9 ×
1 4 1 1 1 4 4 4 -(3+
),
=
-
,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
5 9 5 5 5 9 9 9 ),
=
-
,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
32 9 32 32 32 9 9 9 -
,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
32 9 32 32 32 9 9 9 ,
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
4 17 4 4 4 17 17 17 ×(2
-0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
2 3 2 2 2 3 3 3 -0.75)+15
÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
1 2 1 1 1 2 2 2 ÷
.
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
17 21 17 17 17 21 21 21 .
=
× (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
21 17 21 21 21 17 17 17 × (
-
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
8 3 8 8 8 3 3 3 -
)+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
3 4 3 3 3 4 4 4 )+
×
,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
31 2 31 31 31 2 2 2 ×
21 17 21 21 21 17 17 17 ,
=
×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
21 17 21 21 21 17 17 17 ×
+
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
23 12 23 23 23 12 12 12 +
×
,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
31 2 31 31 31 2 2 2 ×
21 17 21 21 21 17 17 17 ,
=(
+
)×
,
=(
+
)×
,
=
×
,
=
.
23 12 23 23 23 12 12 12 +
)×
,
=(
+
)×
,
=
×
,
=
.
31 2 31 31 31 2 2 2 )×
,
=(
+
)×
,
=
×
,
=
.
21 17 21 21 21 17 17 17 ,
=(
+
)×
,
=
×
,
=
.
23 12 23 23 23 12 12 12 +
)×
,
=
×
,
=
.
186 12 186 186 186 12 12 12 )×
,
=
×
,
=
.
21 17 21 21 21 17 17 17 ,
=
×
,
=
.
209 12 209 209 209 12 12 12 ×
21 17 21 21 21 17 17 17 ,
=
.
1463 68 1463 1463 1463 68 68 68 .
(1)432×99-568 =432×(100-1)-568, =432×100-432-568, =43200-(432+568), =43200-1000, =42200; (2)14
=
=
=0; (3)51×68×78÷(17×34×13) =51×68×78÷17÷34÷13, =(51÷17)×(68÷34)×(78÷13), =3×2×6, =36; (4)1
=
=
=(
=(
=
=
|
=432×(100-1)-568,
=432×100-432-568,
=43200-(432+568),
=43200-1000,
=42200;
(2)14
2 |
9 |
=
128 |
9 |
1 |
4 |
5 |
9 |
=
32 |
9 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
=432×(100-1)-568,
=432×100-432-568,
=43200-(432+568),
=43200-1000,
=42200;
(2)14
2 |
9 |
=
128 |
9 |
1 |
4 |
5 |
9 |
=
32 |
9 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
=432×(100-1)-568,
=432×100-432-568,
=43200-(432+568),
=43200-1000,
=42200;
(2)14
2 |
9 |
=
128 |
9 |
1 |
4 |
5 |
9 |
=
32 |
9 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
=432×(100-1)-568,
=432×100-432-568,
=43200-(432+568),
=43200-1000,
=42200;
(2)14
2 |
9 |
=
128 |
9 |
1 |
4 |
5 |
9 |
=
32 |
9 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
2 |
9 |
=
128 |
9 |
1 |
4 |
5 |
9 |
=
32 |
9 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
128 |
9 |
1 |
4 |
5 |
9 |
=
32 |
9 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
5 |
9 |
=
32 |
9 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
32 |
9 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
32 |
9 |
=0;
(3)51×68×78÷(17×34×13)
=51×68×78÷17÷34÷13,
=(51÷17)×(68÷34)×(78÷13),
=3×2×6,
=36;
(4)1
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
4 |
17 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
2 |
3 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
1 |
2 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
17 |
21 |
=
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
21 |
17 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
8 |
3 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
3 |
4 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
31 |
2 |
21 |
17 |
=
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
21 |
17 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
23 |
12 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
31 |
2 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
21 |
17 |
=(
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
23 |
12 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
186 |
12 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
21 |
17 |
=
209 |
12 |
21 |
17 |
=
1463 |
68 |
209 |
12 |
21 |
17 |
=
1463 |
68 |
1463 |
68 |
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