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脱式计算(能简算的要简便计算)27+6.7+57+22.3;813÷7+17×513;12.5×3.2×0.25;49÷[45-(15+13)].
题目详情
脱式计算(能简算的要简便计算)
+6.7+
+22.3;
÷7+
×
;
12.5×3.2×0.25;
÷[
-(
+
)].
+6.7+
+22.3;
÷7+
×
;
12.5×3.2×0.25;
÷[
-(
+
)].
2 2 7 7
+22.3;
÷7+
×
;
12.5×3.2×0.25;
÷[
-(
+
)].
5 5 7 7
÷7+
×
;
12.5×3.2×0.25;
÷[
-(
+
)].
8 8 13 13
×
;
12.5×3.2×0.25;
÷[
-(
+
)].
1 1 7 7
;
12.5×3.2×0.25;
÷[
-(
+
)].
5 5 13 13
÷[
-(
+
)].
4 4 9 9
-(
+
)].
4 4 5 5
+
)].
1 1 5 5 +
)].
1 1 3 3
2 |
7 |
5 |
7 |
8 |
13 |
1 |
7 |
5 |
13 |
12.5×3.2×0.25;
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
2 |
7 |
5 |
7 |
8 |
13 |
1 |
7 |
5 |
13 |
12.5×3.2×0.25;
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
2 |
7 |
5 |
7 |
8 |
13 |
1 |
7 |
5 |
13 |
12.5×3.2×0.25;
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
5 |
7 |
8 |
13 |
1 |
7 |
5 |
13 |
12.5×3.2×0.25;
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
8 |
13 |
1 |
7 |
5 |
13 |
12.5×3.2×0.25;
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
1 |
7 |
5 |
13 |
12.5×3.2×0.25;
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
5 |
13 |
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
4 |
5 |
1 |
5 |
1 |
3 |
1 |
5 |
1 |
3 |
1 |
3 |
▼优质解答
答案和解析
(1)
+6.7+
+22.3
=(
+
)+(6.7+22.3)
=1+29
=30;
(2)
÷7+
×
=(
+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
2 2 27 7 7+6.7+
+22.3
=(
+
)+(6.7+22.3)
=1+29
=30;
(2)
÷7+
×
=(
+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
5 5 57 7 7+22.3
=(
+
)+(6.7+22.3)
=1+29
=30;
(2)
÷7+
×
=(
+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
2 2 27 7 7+
)+(6.7+22.3)
=1+29
=30;
(2)
÷7+
×
=(
+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
5 5 57 7 7)+(6.7+22.3)
=1+29
=30;
(2)
÷7+
×
=(
+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
8 8 813 13 13÷7+
×
=(
+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
1 1 17 7 7×
=(
+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
5 5 513 13 13
=(
+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
8 8 813 13 13+
)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
5 5 513 13 13)×
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
1 1 17 7 7
=1×
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
1 1 17 7 7
=
;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
1 1 17 7 7;
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
4 4 49 9 9÷[
-(
+
)]
=
÷[
-
]
=
÷
=1
.
4 4 45 5 5-(
+
)]
=
÷[
-
]
=
÷
=1
.
1 1 15 5 5+
)]
=
÷[
-
]
=
÷
=1
. +
1 1 13 3 3)]
=
÷[
-
]
=
÷
=1
.
4 4 49 9 9÷[
-
]
=
÷
=1
.
4 4 45 5 5-
]
=
÷
=1
.
8 8 815 15 15]
=
÷
=1
.
4 4 49 9 9÷
=1
.
4 4 415 15 15
=1
.
2 2 23 3 3.
2 |
7 |
5 |
7 |
=(
2 |
7 |
5 |
7 |
=1+29
=30;
(2)
8 |
13 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
2 |
7 |
5 |
7 |
=(
2 |
7 |
5 |
7 |
=1+29
=30;
(2)
8 |
13 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
5 |
7 |
=(
2 |
7 |
5 |
7 |
=1+29
=30;
(2)
8 |
13 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
2 |
7 |
5 |
7 |
=1+29
=30;
(2)
8 |
13 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
5 |
7 |
=1+29
=30;
(2)
8 |
13 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
8 |
13 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
1 |
7 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
5 |
13 |
=(
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
8 |
13 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
5 |
13 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
1 |
7 |
=1×
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
1 |
7 |
=
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
1 |
7 |
(3)12.5×3.2×0.25
=(12.5×8)×(0.4×0.25)
=100×0.1
=10;
(4)
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
4 |
9 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
4 |
5 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
1 |
5 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
1 |
3 |
=
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
4 |
9 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
4 |
5 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
8 |
15 |
=
4 |
9 |
4 |
15 |
=1
2 |
3 |
4 |
9 |
4 |
15 |
=1
2 |
3 |
4 |
15 |
=1
2 |
3 |
2 |
3 |
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