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简便运算.1.25×0.25×0.05×64=;0.525÷13.125÷4×85.2=;12+14+18+116=;142+156+172+190+1110=.

题目详情
简便运算.
1.25×0.25×0.05×64=______;

0.525÷13.125÷4×85.2=______;
1
2
+
1
4
+
1
8
+
1
16
=______;
1
42
+
1
56
+
1
72
+
1
90
+
1
110
=______.
简便运算.
1.25×0.25×0.05×64=______;
0.525÷13.125÷4×85.2=______;简便运算.
1.25×0.25×0.05×64=______;

0.525÷13.125÷4×85.2=______;
1
2
+
1
4
+
1
8
+
1
16
=______;
1
42
+
1
56
+
1
72
+
1
90
+
1
110
=______.
1
2
+
1
4
+
1
8
+
1
16
=______;
1
2
+
1
4
+
1
8
+
1
16
=______;
1
2
1122
1
4
+
1
8
+
1
16
=______;
1
4
1144
1
8
+
1
16
=______;
1
8
1188
1
16
=______;
1
16
111616
1
42
+
1
56
+
1
72
+
1
90
+
1
110
=______.
1
42
+
1
56
+
1
72
+
1
90
+
1
110
=______.
1
42
114242
1
56
+
1
72
+
1
90
+
1
110
=______.
1
56
115656
1
72
+
1
90
+
1
110
=______.
1
72
117272
1
90
+
1
110
=______.
1
90
119090
1
110
=______.
1
110
11110110
▼优质解答
答案和解析
(1)1.25×0.25×0.05×64,
=(1.25×8)×(0.25×4)×(0.05×2),
=10×1×0.1,
=1;
(2)0.525÷13.125÷4×85.2,
=0.525÷(13.125×4)×85.2,
=0.525÷52.5×85.2,
=0.01×85.2,
=0.852;
(3)
1
2
+
1
4
+
1
8
+
1
16

=
3
4
+
1
8
+
1
16

=
7
8
+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
2
111222+
1
4
+
1
8
+
1
16

=
3
4
+
1
8
+
1
16

=
7
8
+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
4
111444+
1
8
+
1
16

=
3
4
+
1
8
+
1
16

=
7
8
+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
8
111888+
1
16

=
3
4
+
1
8
+
1
16

=
7
8
+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
16
111161616,
=
3
4
+
1
8
+
1
16

=
7
8
+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
3
4
333444+
1
8
+
1
16

=
7
8
+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
8
111888+
1
16

=
7
8
+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
16
111161616,
=
7
8
+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
7
8
777888+
1
16

=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
16
111161616,
=
15
16

(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
15
16
151515161616;
(4)
1
42
+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
42
111424242+
1
56
+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
56
111565656+
1
72
+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
72
111727272+
1
90
+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
90
111909090+
1
110

=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
110
111110110110,
=
1
6
-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
6
111666-
1
7
+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
7
111777+
1
7
-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
7
111777-
1
8
+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
8
111888+
1
8
-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
8
111888-
1
9
+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
9
111999+
1
9
-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
9
111999-
1
10
+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
10
111101010+
1
10
-
1
11

=
1
6
-
1
11

=
5
66
1
10
111101010-
1
11

=
1
6
-
1
11

=
5
66
1
11
111111111,
=
1
6
-
1
11

=
5
66
1
6
111666-
1
11

=
5
66
1
11
111111111,
=
5
66
5
66
555666666.