簡便計算!

2021-03-04 04:41:01 字數 3796 閱讀 5343

1樓:樂為人師

(5/6+3/4-1/2)÷1/24

=(5/6+3/4-1/2)×24

=5/6×24+3/4×24-1/2×24=20+18-12

=2616/11-(1/3÷11/15+1/5)=16/11-(5/11+1/5)

=16/11-5/11-1/5

=1-1/5

=4/5

怎樣計算簡便怎樣算 (5/6-3/4+1/3)÷1/24 8/21÷16/7÷26×13/9

2樓:匿名使用者

給我採納 我給你答案

3樓:匿名使用者

(5/6-3/4+1/3)÷1/24

=20-18+8=10

數學1.計算題,能簡便的要簡便計算。1/3÷5/6÷16/15 【1-(1/5+1/6)】÷1/12 ( 5/6-3/4)÷(1/4-1/8)

4樓:牢廷謙籍念

1、計算題:

解:1/3÷5/6÷16/15

=1/3×6/5×15/16=3/8

[1-(1/5+1/6)]÷1/12 =[1-11/30]×12=19/30×12=38/5

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

應用題:

解:30÷5/6×8/9=36×8/9=32(千克)答:丙筐梨的質量是32千克.

遞等式計算題5/6-3/4+1/3 11/12-(1/6-1/8) 7/12-(3/4-1/2) 1/2-(3/4-3/8)

5樓:妙酒

您好:5/6-3/4+1/3

=10/12-9/12+4/12

=5/12

11/12-(1/6-1/8)

=22/24-4/24+3/24

=21/24

=7/8

7/12-(3/4-1/2)

=7/12-1/4

=1/3

1/2-(3/4-3/8)

=1/2-3/8

=1/8

如果本題有什麼不明白可以追問,如果滿意記得採納如果有其他問題請採納本題後另發點選向我求助,答題不易,請諒解,謝謝。

祝學習進步!

6樓:匿名使用者

5/6-3/4+1/3(通分)

=10/12-9/12+4/12

=1/12+4/12

=5/12

11/12-(1/6-1/8)

=11/12-1/6+1/8(通分)

=22/24-4/24+3/24

=18/24+3/24

=21/24(約分)

=7/8

7/12-(3/4-1/2)

=7/12-3/4+1/2(通分)

=7/12-9/12+6/12

=13/12-9/12

=4/12

=1/3

1/2-(3/4-3/8)

=1/2-3/4+3/8

=8/16-12/16+6/16

=14/16-12/16

=2/16

=1/8

7樓:匿名使用者

5/6-

3/4+1/3

=10/12-9/12+4/12

=(10-9+4)/12

=5/12

11/12-(1/6-1/8)

=11/12-2/12+1/8

=9/12+1/8

=3/4+1/8

=6/8+1/8

=7/8

7/12-(3/4-1/2)

=7/12-(3/4-2/4)

=7/12-1/4

=7/12-3/12

=4/12

=1/3

1/2-(3/4-3/8)

=1/2-(6/8-3/8)

=1/2-3/8

=4/8-3/8

=1/8

8樓:府玉蘭迮丙

1、計算題:

解:1/3÷5/6÷16/15

=1/3×6/5×15/16=3/8

[1-(1/5+1/6)]÷1/12 =[1-11/30]×12=19/30×12=38/5

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

應用題:

解:30÷5/6×8/9=36×8/9=32(千克)答:丙筐梨的質量是32千克.

能簡便計算的要簡便計算4/9÷[5/6-(1/6+1/3)] 1/15*(1/3+1/12) 1/4÷(3-5/13-8/13)

9樓:匿名使用者

4/9÷[5/6-(1/6+1/3)]

=4/9÷[5/6- 3/6]

=4/9×3

=4/3

1/15*(1/3+1/12)

=1/15*5/12

=1/36

1/4÷(3-5/13-8/13)

=1/4÷(3-1)

=1/8

望採納。謝謝

10樓:匿名使用者

1、4/9÷[5/6-(

1/6+1/3)]=4/9÷[5/6-1/6-1/3)]=4/9÷[2/3-1/3]=4/9÷1/3=4/3

2、1/15*(1/3+1/12)=1/15*(4/12+1/12)=1/15*5/12=1/36

3、1/4÷(3-5/13-8/13)=1/4÷[3-(5/13+8/13)]=1/4÷[3-1]=1/4÷2=1/8

用簡便方法計算:5/6-4/9+1/6-2/9=? 13/15-7/112/15+6/11=? 7/15-1/4+8/15-3/4=?

11樓:超電炮姐

5/6-4/9+1/6-2/9

=5/6+1/6-4/9-2/9

=1-6/9

=3/9

=1/3

13/15-7/112/15+6/11

這個題你輸錯了吧

應該是 13/15-7/11+2/15+6/11=13/15+2/15-7/11+6/11=1-1/11

=10/11

7/15-1/4+8/15-3/4

=7/15+8/15-1/4-3/4

=1-1

=4/12

=1/3

0.7+11/15-3/10+4/15

=7/10-3/10+11/15+4/15=4/10+1

=1.4

12樓:李佳宇大王

簡便計算:

5/6-4/9+1/6-2/9

=(5/6+1/6)-(4/9+2/9)

=1-2/3

=1/3

13/15-7/11+2/15+6/11

=(13/15+2/15)-(7/11-6/11)=1-1/11

=10/11

7/15-1/4+8/15-3/4

=(7/15+8/15)-(1/4+3/4)=1-1

=011/12-1/18+5/12-17/18=(11/12+5/12)-(1/18+17/18)=4/3-1

=1/3

0.7+11/15-3/10+4/15

=7/10+11/15-3/10+4/15=(7/10-3/10)+(11/15+4/15)=2/5+1

=1又2/5

(望採納,謝謝)

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