脱式计算,怎样简便就怎样算. 101× 99 102 (4 5 6 -3 3 4 )÷( 3 14 + 2 7 ) (0

脱式计算,怎样简便就怎样算.
101×
99
102
(4
5
6
-3
3
4
)÷(
3
14
+
2
7
(0.92+
2
25
)÷(4-2
7
9
36×(
2
3
+
1
6
-
3
4
13
8
×
3
7
+
3
8
×
3
7
4
9
÷〔
5
6
-(
1
6
+
1
3
)〕
shert 1年前 已收到1个回答 举报

ronglove蓉 幼苗

共回答了31个问题采纳率:93.5% 举报

(1)101×
99
102
=(102-1)×
99
102
=102×
99
102 -
99
102
=99-
99
102
=98
1
34

(2)(4
5
6 -3
3
4 )÷(
3
14 +
2
7 )
= 1
1
12 ÷
7
14
=
13
12 ×2
=
13
6 ;

(3)(0.92+
2
25 )÷(4-2
7
9 )
= (
23
25 +
2
25 )÷1
2
9
= 1×
9
11
=
9
11 ;

(4)36×(
2
3 +
1
6 -
3
4 )
= 36×
2
3 +36×
1
6 -36×
3
4
=24+6-27
=3;

(5)
13
8 ×
3
7 +
3
8 ×
3
7
=
3
7 ×(
13
8 +
3
8 )
=
3
7 ×2
=
6
7 ;

(6)
4
9 ÷〔
5
6 -(
1
6 +
1
3 )〕
=
4
9 ÷(
5
6 -
1
6 -
1
3 )
=
4
9 ÷
1
3
=
4
9 ×3
=
4
3 .

1年前

4
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