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计算.(怎样简便就怎样计算)165+135÷335×89÷41565.2÷(0.8×4)÷12.567÷911-67×49.

题目详情
计算.(怎样简便就怎样计算)
165+135÷3
3
5
×
8
9
÷
4
15

65.2÷(0.8×4)÷12.5
6
7
÷
9
11
-
6
7
×
4
9


3
5
×
8
9
÷
4
15

65.2÷(0.8×4)÷12.5
6
7
÷
9
11
-
6
7
×
4
9
3
5
353355
8
9
÷
4
15

65.2÷(0.8×4)÷12.5
6
7
÷
9
11
-
6
7
×
4
9
8
9
898899
4
15

65.2÷(0.8×4)÷12.5
6
7
÷
9
11
-
6
7
×
4
9
4
15
415441515

6
7
÷
9
11
-
6
7
×
4
9
6
7
676677
9
11
-
6
7
×
4
9
9
11
911991111
6
7
×
4
9
6
7
676677
4
9
4
9
494499
▼优质解答
答案和解析
(1)165+135÷3
=165+45
=210;
(2)
3
5
×
8
9
÷
4
15

=
3
5
×
8
9
×
15
4

=
3×8×15
5×9×4

=2;
(3)65.2÷(0.8×4)÷12.5
=65.2÷3.2÷12.5
=65.2÷(3.2×12.5)
=65.2÷40
=1.63;
(4)
6
7
÷
9
11
-
6
7
×
4
9

=
6
7
×
11
9
-
6
7
×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
3
5
35333555×
8
9
÷
4
15

=
3
5
×
8
9
×
15
4

=
3×8×15
5×9×4

=2;
(3)65.2÷(0.8×4)÷12.5
=65.2÷3.2÷12.5
=65.2÷(3.2×12.5)
=65.2÷40
=1.63;
(4)
6
7
÷
9
11
-
6
7
×
4
9

=
6
7
×
11
9
-
6
7
×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
8
9
89888999÷
4
15

=
3
5
×
8
9
×
15
4

=
3×8×15
5×9×4

=2;
(3)65.2÷(0.8×4)÷12.5
=65.2÷3.2÷12.5
=65.2÷(3.2×12.5)
=65.2÷40
=1.63;
(4)
6
7
÷
9
11
-
6
7
×
4
9

=
6
7
×
11
9
-
6
7
×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
4
15
415444151515
=
3
5
×
8
9
×
15
4

=
3×8×15
5×9×4

=2;
(3)65.2÷(0.8×4)÷12.5
=65.2÷3.2÷12.5
=65.2÷(3.2×12.5)
=65.2÷40
=1.63;
(4)
6
7
÷
9
11
-
6
7
×
4
9

=
6
7
×
11
9
-
6
7
×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
3
5
35333555×
8
9
×
15
4

=
3×8×15
5×9×4

=2;
(3)65.2÷(0.8×4)÷12.5
=65.2÷3.2÷12.5
=65.2÷(3.2×12.5)
=65.2÷40
=1.63;
(4)
6
7
÷
9
11
-
6
7
×
4
9

=
6
7
×
11
9
-
6
7
×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
8
9
89888999×
15
4

=
3×8×15
5×9×4

=2;
(3)65.2÷(0.8×4)÷12.5
=65.2÷3.2÷12.5
=65.2÷(3.2×12.5)
=65.2÷40
=1.63;
(4)
6
7
÷
9
11
-
6
7
×
4
9

=
6
7
×
11
9
-
6
7
×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
15
4
154151515444
=
3×8×15
5×9×4

=2;
(3)65.2÷(0.8×4)÷12.5
=65.2÷3.2÷12.5
=65.2÷(3.2×12.5)
=65.2÷40
=1.63;
(4)
6
7
÷
9
11
-
6
7
×
4
9

=
6
7
×
11
9
-
6
7
×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
3×8×15
5×9×4
3×8×155×9×43×8×153×8×153×8×155×9×45×9×45×9×4
=2;
(3)65.2÷(0.8×4)÷12.5
=65.2÷3.2÷12.5
=65.2÷(3.2×12.5)
=65.2÷40
=1.63;
(4)
6
7
÷
9
11
-
6
7
×
4
9

=
6
7
×
11
9
-
6
7
×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
6
7
67666777÷
9
11
-
6
7
×
4
9

=
6
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×
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-
6
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×
4
9

=
6
7
×(
11
9
-
4
9

=
6
7
×
7
9

=
2
3
9
11
911999111111-
6
7
×
4
9

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9

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=
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49444999
=
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119111111999-
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49444999
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9

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3
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7
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-
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9
119111111999-
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49444999)
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9

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9

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3
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9
79777999
=
2
3
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3
23222333.
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