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能简则简细又巧2480-480÷40×25;79÷115+29×511;(23-25+56)÷130.
题目详情
能简则简细又巧
2480-480÷40×25;
÷
+
×
; (
-
+
)÷
.
÷
+
×
; (
-
+
)÷
.
7 9 7 7 9 9
+
×
; (
-
+
)÷
.
11 5 11 11 5 5
×
; (
-
+
)÷
.
2 9 2 2 9 9
; (
-
+
)÷
.
5 11 5 5 11 11
-
+
)÷
.
2 3 2 2 3 3
+
)÷
.
2 5 2 2 5 5
)÷
.
5 6 5 5 6 6
.
1 30 1 1 30 30
2480-480÷40×25;
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
11 |
5 |
2 |
9 |
5 |
11 |
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
2 |
9 |
5 |
11 |
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
5 |
11 |
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
2 |
5 |
5 |
6 |
1 |
30 |
5 |
6 |
1 |
30 |
1 |
30 |
▼优质解答
答案和解析
(1)2480-480÷40×25
=2480-12×25
=2480-300
=2180;
(2)
÷
+
×
=
×
+
×
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
7 9 7 7 79 9 9÷
+
×
=
×
+
×
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
11 5 11 11 115 5 5+
×
=
×
+
×
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
2 9 2 2 29 9 9×
=
×
+
×
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
5 11 5 5 511 11 11
=
×
+
×
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
7 9 7 7 79 9 9×
+
×
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
5 11 5 5 511 11 11+
×
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
2 9 2 2 29 9 9×
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
5 11 5 5 511 11 11
=(
+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
7 9 7 7 79 9 9+
)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
2 9 2 2 29 9 9)×
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
5 11 5 5 511 11 11
=1×
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
5 11 5 5 511 11 11
=
;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
5 11 5 5 511 11 11;
(3)(
-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
2 3 2 2 23 3 3-
+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
2 5 2 2 25 5 5+
)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
5 6 5 5 56 6 6)÷
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
1 30 1 1 130 30 30
=(
-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
2 3 2 2 23 3 3-
+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
2 5 2 2 25 5 5+
)×30
=
×30-
×30+
×30
=20-12+25
=33.
5 6 5 5 56 6 6)×30
=
×30-
×30+
×30
=20-12+25
=33.
2 3 2 2 23 3 3×30-
×30+
×30
=20-12+25
=33.
2 5 2 2 25 5 5×30+
×30
=20-12+25
=33.
5 6 5 5 56 6 6×30
=20-12+25
=33.
=2480-12×25
=2480-300
=2180;
(2)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
7 |
9 |
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
9 |
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
11 |
=1×
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
11 |
=
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
11 |
(3)(
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
3 |
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
5 |
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
6 |
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
1 |
30 |
=(
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
3 |
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
5 |
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
6 |
=
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
3 |
2 |
5 |
5 |
6 |
=20-12+25
=33.
2 |
5 |
5 |
6 |
=20-12+25
=33.
5 |
6 |
=20-12+25
=33.
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