1224111211128能簡算要簡算要過程

2021-03-04 04:30:32 字數 4840 閱讀 8187

1樓:妙酒

12×(2/3+1/6)

=12x2/3+12x1/6

=8+2

=101/4÷

(1-1/2-1/4)

=1/4÷(1-2/4-1/4)專

=1/4÷1/4

=11/8×屬5/12+11/12÷8

=1/8x5/12+11/12x1/8

=1/8x(5/12+11/12)

=1/8x16/12

=2/12

=1/6

2樓:匿名使用者

12×(襲2/3+1/6)

=12×2/3+12×1/6

=8+2

=101/4÷(1-1/2-1/4)

=1/4÷(1/4)

=11/8×5/12+11/12÷8

=1/8×5/12+11/12×1/8

=1/8×(5/12+11/12)

=1/8×16/12

=1/6

(1/3+1/4)÷1/6 (7/12+5/8)x24 (0.25-1/8)x(1/9+1/9) 10

3樓:匿名使用者

(1/3+1/4)÷1/6

=7/12×

zhi6

=7/2

=3又dao2分之內1

(7/12+5/8)x24

=7/12×24+5/8×24

=7×2+5×3

=14+15

=29(0.25-1/8)x(1/9+1/9)=(容1/4-1/8)×2/9

=1/8×2/9

=1/36

4樓:匿名使用者

用脫du式計算能簡便的zhi要用dao簡便計算(1/3+1/4)÷版1/6

=(1/3+1/4)×

權6=1/3×6+1/4×6

=2+1.5

=3.5

(7/12+5/8)x24

=7/12×24+5/8×24

=14+15

=29(0.25-1/8)x(1/9+1/9)=(1/4-1/8)×2/9

=1/8×2/9

=1/36

(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

5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。

6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

2/9+1/4÷2/5+3/8 2/3+(4/7-1/2)×1/12 2/3+3/4x=1/6 1/2x÷1/5=3/5 5x-3/5=16/15 以上這幾題怎麼做??

7樓:匿名使用者

2/9+1/4÷2/5+3/8

=2/9+1/4×

5/2+3/8

=2/9+5/8+3/8

=2/9+(5/8+3/8)

=2/9+1

=1·2/9

=11/9

2/3+(4/7-1/2)×1/12

=2/3+(4/7-1/2)×1/12

=2/3+4/7×1/12-1/2×1/12=2/3+1/21-1/24

=14/21+1/21-1/24

=15/21-1/24

=5/7-1/24

=120/168-7/168

=113/168

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

3/4x=1/6-2/3

3/4x=1/6-4/6

3/4x=-1/2

x=-1/2×4/3

x=-2/3

1/2x÷1/5=3/5

1/2x=3/5×5

1/2x=3

x=3×2

x=65x-3/5=16/15

5x=16/15+3/5

5x=16/15+9/15

5x=25/15

5x=5/3

x=5/3×1/5

x=1/3

(5/6-3/4)÷(2/3+4/9) (1-1/6×2/5)÷7/9

8樓:新野旁觀者

(5/6-3/4)÷(2/3+4/9)

=1/12÷10/9

=3/40

(1-1/6×2/5)÷7/9

=(1-1/15)÷7/9

=14/15÷7/9

=6/5

(5/9+1/13)×9+4/13

=5/9×9+1/13×9+4/13

=5+(9/13+4/13)

=5+1

=65/4-(3/4-1/8)-3/8

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

=1/2-1/4

=1/4

9樓:kz菜鳥無敵

(5/6-3/4)÷(2/3+4/9)

= (10/12-9/12)÷(6/9+4/9)=1/12÷10/9

=1/12 x 9/10

=3/40

~~~~~~ (1-1/6×2/5)÷7/9=(1-1/15) ÷ 7/9

=14/15 x 9/7

=6/5

~~~~~

(5/9+1/13)×9+4/13

=5/9 x 9 + 1/13 x 9 +4/13=5 + 9/13 + 4/13

=5 + 1

=6~~~~~

5/4-(3/4-1/8)-3/8

=5/4 - ( 6/8 - 1/8 ) - 3/8=5/4 - 5/8 -3/8

=5/4 - 1

=1/4

(-1/2+1/6-3/4+5/12)÷(-12)=?

10樓:楓葉

=1/2×12-1/6×12+3/4×12-5/12×12=6-2+9-5

=13-5

=8你好,本題已解答,如果滿意

請點右下角「採納答案」。

11樓:匿名使用者

(-1/2+1/6-3/4+5/12)÷(-12)=(-6/12+2/12-9/12+5/12)÷(-12)=(-8/12)÷(-12)

=2/3÷12

=1/18

脫式計算(能簡算的要簡算) ⑴1/4÷(2/3-3/2×1/3) ⑵24×(1/6+3/8+7/

12樓:昨夜星辰吉日

⑴1/4÷(2/3-3/2×1/3)

=1/4÷(2/3-1/2)=1/4÷(4/6-3/6)=1/4÷1/6=1/4x6=6/4=3/2;

⑵24×(1/6+3/8+7/12)=24x1/6+24x3/8+24x7/12=4+9+14=27;

⑶1/8×58+1/8×41+1/8=1/8x(58+41+1)=1/8x100=100/8=12.5.

13樓:

⑴1/4÷(2/3-3/2×1/3)=3/2

⑵24×(1/6+3/8+7/12)=27

⑶1/8×58+1/8×41+1/8=25/2

14樓:匿名使用者

(1)1/4÷(2/3一3/2×1/3)=1/4÷(4/6一3/6)=1/4×6/1=3/2

(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/5+1/10+1/15+1/20)

15樓:笑年

(1/2+1/4+1/6+1/8)

內-(容1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/5+1/10+1/15+1/20)

=1/2(1+1/2+1/3+1/4)-1/3(1+1/2+1/3+1/4)+1/4(1+1/2+1/3+1/4)-1/5(1+1/2+1/3+1/4)

=(1+1/2+1/3+1/4)(1/2-1/3+1/4-1/5)=(12+6+4+3)/12*(30-20+15-12)/60=25/12*13/60

=65/144

16樓:匿名使用者

做亽靠洎巳!!莪葙信伱會做詘來の!!

17樓:匿名使用者

89/144------------

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