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脱式计算(能简算的要简算)①527×54+54×2227②25×47+37÷52③[2−(1+23)]÷27④(56−34)÷748+127.
题目详情
脱式计算(能简算的要简算)
①
×54+54×
②
×
+
÷
③[2−(1+
)]÷
④(
−
)÷
+
.
①
×54+54×
②
×
+
÷
③[2−(1+
)]÷
④(
−
)÷
+
.
5 5 27 27
22 22 27 27
②
×
+
÷
③[2−(1+
)]÷
④(
−
)÷
+
.
2 2 5 5
4 4 7 7
3 3 7 7
5 5 2 2
③[2−(1+
)]÷
④(
−
)÷
+
.
2 2 3 3
2 2 7 7
④(
−
)÷
+
.
5 5 6 6
3 3 4 4
7 7 48 48
12 12 7 7
①
5 |
27 |
22 |
27 |
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
③[2−(1+
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
①
5 |
27 |
22 |
27 |
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
③[2−(1+
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
5 |
27 |
22 |
27 |
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
③[2−(1+
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
③[2−(1+
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
▼优质解答
答案和解析
①
×54+54×
,
=(
+
)×54,
=54;
②
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
5 5 527 27 27×54+54×
22 22 2227 27 27,
=(
+
)×54,
=54;
②
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
5 5 527 27 27+
22 22 2227 27 27)×54,
=54;
②
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
2 2 25 5 5×
4 4 47 7 7+
3 3 37 7 7÷
5 5 52 2 2,
=
×
+
×
,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
2 2 25 5 5×
4 4 47 7 7+
3 3 37 7 7×
2 2 25 5 5,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
2 2 25 5 5×(
4 4 47 7 7+
3 3 37 7 7),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
2 2 25 5 5;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
. [2−(1+
2 2 23 3 3)]÷
2 2 27 7 7,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
. [2−1
2 2 23 3 3]÷
2 2 27 7 7,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
1 1 13 3 3÷
2 2 27 7 7,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
7 7 76 6 6;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
. (
5 5 56 6 6−
3 3 34 4 4)÷
7 7 748 48 48+
12 12 127 7 7,
=
÷
+
,
=
+
,
=
.
1 1 112 12 12÷
7 7 748 48 48+
12 12 127 7 7,
=
+
,
=
.
4 4 47 7 7+
12 12 127 7 7,
=
.
16 16 167 7 7.
①
5 |
27 |
22 |
27 |
=(
5 |
27 |
22 |
27 |
=54;
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
=
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
5 |
27 |
22 |
27 |
=(
5 |
27 |
22 |
27 |
=54;
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
=
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
5 |
27 |
22 |
27 |
=54;
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
=
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
=
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
4 |
7 |
12 |
7 |
=
16 |
7 |
16 |
7 |
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