152169131418568599141213162449451513簡便運算

2021-03-07 00:37:09 字數 3958 閱讀 7083

1樓:匿名使用者

1/6+3/6 =4/6=2/3

5/8-1/8 =4/8=1/2

5/9*3/2 =5/6

1÷1/5 =5

2-1/4 =1又3/4

2/3*9/8 =3/4

1/2+1/8 =5/8

2/3÷1/6 =2/3×

6=49*4/3 =12

1/3÷4/3=1/3×3/4=1/4。

2樓:冷眼看安康

1/6+3/6=2/3

5/8-1/8 =1/2

5/9*3/2 =5/6

1÷1/5=5

2-1/4 =7/4

2/3*9/8=3/4

1/2+1/8=5/8

2/3÷1/6=4

9*4/3=12

1/3÷4/3=1/4

3樓:匿名使用者

1/6 3/6=4/6=3/2 5/8-1/8=4/8=1/2 5/9*3/2=5/6 1除以

1/5=5 2-1/4=8/4-1/4=7/4 2/3*9/8=3/4 1/2 1/8=4/8 1/8=5/8 2/3除以1/6=4 9*4/3=12 1/3除以4/3=1/4

(1/3-1/4)÷1/8+5/6 8-5/9-9/1*4 (1/2-1/3+1/6)*24 4/9÷{4/5-(1/5+1/3)} 簡便運算

4樓:郭敦顒

郭敦顒回答:

(1/3-1/4)÷1/8+5/6= 8(1/3-1/4)+5/6=16/6-2+5/6=9/6=3/2。

8-5/9-9/1*4 =?此題似應是8-5/9-9/(1*4) =?(網路傳送時最易引起誤解,產生岐意),

8-5/9-9/(1*4) =8-2-5/9-1/4 =5+3/4-5/9=5+7/36。

(1/2-1/3+1/6)*24 =24/2-24/3+24/6=12-8+4=16。

4/9÷{4/5-(1/5+1/3)}=4/9÷=4/9×15/4=5/3。

5樓:匿名使用者

(1/3-1/4)÷1/8+5/6

=(1/3-1/4)×

8+5/6

=1/3×8-1/4×8+5/6

=8/3-2+5/6

=2/3+5/6

=3/2

8-5/9-9/1*4

=8-5/9-4/9

=8-(5/9+4/9)

=8-1

=7(1/2-1/3+1/6)*24

=1/2×24-1/3×24+1/6×24=12-8+4

=84/9÷{4/5-(1/5+1/3)}=4/9÷

=4/9÷

=4/9÷4/15

=4/9×15/4

=5/3

1/7÷3/14-5/8 1/3+3/9/10 1/2-4/25÷2/5 1-8/9÷5/6*3/16 2/3÷(1-2/3 (3/4-3/4*5/6)÷3/2 10

6樓:陳飛巨集

2.165888 正確

6248.55正確

簡便計算 1/5÷(1-1/3×1/2) 9/10×【7/8÷(4/5+1/4)】 (1/4-1/4×1/2)÷1/4 5/6+9/ 10

7樓:凌月霜丶

簡便計算

1/5÷(1-1/3×1/2)

=1/5÷(1-1/6)

=1/5*6/5

=6/25

直接計算

1/5÷(1-1/3×1/2) 9/10×【7/8÷(4/5+1/4)】 (1/4-1/4×1/2)÷1/4 5/6+9/8×5/9×8/9 9

8樓:新野旁觀者

1/5÷(

1-1/3×zhi1/2)

=1/5÷dao(1-1/6)

=1/5÷5/6

=6/25

9/10×回

【答7/8÷(4/5+1/4)】

=9/10×【7/8÷21/20】

=9/10×5/6

=3/4

(1/4-1/4×1/2)÷1/4

=(1/4-1/8)÷1/4

=1/8÷1/4

=1/2

5/6+9/8×5/9×8/9

=5/6+5/9

=25/18

9×5/6+5/6÷1/9

=9×5/6+5/6×9

=(9+9)×5/6

=18×5/6

=15(3/8+1/27)×8+19/27=3/8×8+1/27×8+19/27

=3+8/27+19/27

=3+(8/27+19/27)

=3+1=4

3-8/9×6/5÷32/3 (1-1/4×8/9)×9/7 (5/6+1/3)÷(3/4-2/3) 3/4÷(1/2-1/3)÷3/2

9樓:匿名使用者

3-8/9×6/5÷32/3 (

1-1/4×8/9)×9/7 (5/6+1/3)÷專(3/4-2/3)

=3-1/10 =(1-2/9)x9/7 =7/6÷1/12

=2又屬9/10 =1 =14

3/4÷(1/2-1/3)÷3/2

=3/4÷1/6÷3/2=3

簡便運算:1/5*8÷4/5 3/5+1/2*4/5 5/6÷2/3÷5/6 1-7/9÷7/8

10樓:匿名使用者

1/5*8÷4/5

=(8/5)×(5/4)

=23/5+1/2*4/5

=3/5+2/5

=15/6÷2/3÷5/6

=(5/6)×(3/2)×(6/5)

=3/2

1-7/9÷7/8

=1-(7/9)×(8/7)

=1-8/9

=1/9

算一算【寫過程】 5/8*1/2*4/5= 2/3÷4/9*3/10= 5/6*4/5÷1/2= (3/4-5/12)*24= (1/2+1/6)÷1/12=

11樓:比蜜甜甜

5/8*1/2*4/5=1/4

2/3÷4/9*3/10

=2/3x9/4x3/10

=9/20

5/6*4/5÷1/2

=5/6x4/5x2

=4/3

(3/4-5/12)*24

= 3/4x24-5/12x24

=18-10

=8(1/2+1/6)÷1/12

=1/2x12+1/6x12

=6+2=8

(簡算) (7/15-1/3)÷(1/3+1/5) (3/4+1/2)÷5/8 2/13+3/4÷9/10+1/6 [3/4-(5/8-1/4)]÷3/8

12樓:妙酒

(7/15-1/3)÷(1/3+1/5)

=(7-5)÷

(5+3)

=1/4

(3/4+1/2)÷5/8

=3/4x8/5+1/2x8/5

=6/5+4/5

=22/13+3/4÷9/10+1/6

=2/13+5/6+1/6

=2/13+1

=1又2/13

[3/4-(5/8-1/4)]÷3/8

=(3/4+1/4-5/8)x8/3

=3/8x8/3=1

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