您现在的位置是:首页 >

用递等式计算能简算的要简算 用递等式计算.(1)2632-450÷18×25(2)1.8÷0.75-0.48×0.5(3)( 7 8 + 3 4

火烧 2023-01-07 22:10:15 1119
用递等式计算.(1)2632-450÷18×25(2)1.8÷0.75-0.48×0.5(3)( 7 8 + 3 4 用递等式计算.(1)2632-450÷18×25(2)1.8÷0.75-0.48×

用递等式计算.(1)2632-450÷18×25(2)1.8÷0.75-0.48×0.5(3)( 7 8 + 3 4  

用递等式计算.(1)2632-450÷18×25(2)1.8÷0.75-0.48×0.5(3)( 7 8 + 3 4

(1)2632-450÷18×25,
=2632-625,
=2007;

(2)1.8÷0.75-0.48×0.5,
=2.4-0.24,
=2.16;

(3)(

7 8

+

3 4

)÷

13 11

-

4 5


=

13 8

×

11 13

-

4 5


=

11 8

-

4 5


=

23 40

(4)

1 6

÷[1÷(

14 15

-

9 10

)],
=

1 6

÷[1÷

1 30

],

1 6

÷30,
=

1 6

×

1 30


=

1 180

递等式计算. 743-450÷18×25 88× 2 3 ×(1÷ 3 4 -1) 519.2÷(24.3

(1)743-450÷18×25,
=743-25×25,
=743-625,
=118;

(2)88×

2 3

×(1÷

3 4

-1),
=88×

2 3

×(

4 3

-1),
=88×

2 3

×

1 3


=

176 3

×

1 3


=19

5 9

(3)519.2÷(24.3×2-4.6),
=519.2÷(48.6-4.6),
=519.2÷44,
=11.8;

(4)126×98+126+63×2,
=126×98+126+126,
=126×(98+1+1),
=126×100,
=12600.

递等式计算. 743-450÷18×25 88×125 2 3 ×(1÷ 3 4 -1) 519.2÷(2

(1)743-450÷18×25,
=743-25×25,
=743-625,
=118;

(2)88×125,
=11×8×125,
=11×(8×125),
=11×1000,
=11000;

(3)

2 3

×(1÷

3 4

-1),
=

2 3

×(

4 3

-1),
=

2 3

×

1 3


=

2 9

(4)519.2÷(24.3×2-4.6),
=519.2÷(48.6-4.6),
=519.2÷44,
=11.8;

(5)126×98+126+63×2,
=126×98+126×1+126×1,
=126×(98+1+1),
=126×100,
=126.

用递等式计算.(1)1375+450÷18×25 (2)168.1÷(4.3×2-0.4) (3) 3 25 ÷ 1

(1)1375+450÷18×25,
=1375+25×25,
=1375+625,
=2000;

(2)168.1÷(4.3×2-0.4),
=168.1÷(8.6-0.4),
=168.1÷8.2,
=20.5;

(3)

3 25

÷

1 10

+

1 5


=

3 25

×10+

1 5


=

6 5

+

1 5


=

7 5

(4)[1-(

1 2

-

1 4

)]×

2 3


=[1-

1 2

+

1 4

2 3


=

3 4

×

2 3


=

1 2

用递等式计算.(90.78-52.78÷26)×41000-450÷18×25 3 4 ÷(5-2.8÷ 4 7 ) (3


(1)(90.78-52.78÷26)×4,
=(90.78-2.03)×4,
=88.75×4,
=355;

(2)1000-450÷18×25,
=1000-25×25,
=1000-625,
=375;

(3)

3 4

÷(5-2.8÷

4 7

) ,
=

3 4

÷(5-4.9),
=

3 4

÷0.1,
=7.5;

(4)(3

3 4

+2

1 6

)÷(1.75×75%),
=5

11 12

÷

21 16


=

284 63

用递等式计算(1)1379+450÷18×40(2)(3.2÷16+10.8)÷22(3) 5 11 × 7 25

(1)1379+450÷18×40,
=1379+25×40,
=1379+1000,
=2379;

(2)(3.2÷16+10.8)÷22,
=(0.2+10.8)÷22,
=11÷22,
=0.5;

(3)

5 11

×

7 25

+

7 25

×

6 11


=(

5 11

+

6 11

)×

7 25


=1×

7 25


=

7 25

(4)

1 4

×

1 7

÷(

5 6

-

3 4

),
=

1 4

×

1 7

÷

1 12


=

1 4

×

1 7

×12,
=

1 4

×12×

1 7


=3×

1 7


=

3 7

用递等式计算.(1)1357+450÷18×25(2)13.7-26.4÷(2.6+1.4)(3)3.6×[2÷( 4 5 -0.6

(1)1357+450÷18×25,
=1357+25×25,
=1357+625,
=1982;

(2)13.7-26.4÷(2.6+1.4),
=13.7-26.4÷4,
=13.7-6.6,
=7.1;

(3)3.6×[2÷(

4 5

-0.6)],
=3.6×[2÷0.2],
=3.6×10,
=36;

(4)4-[1-(

3 5

+

1 4

)]÷

3 17


=4-[1-

17 20

3 17


=4-

3 20

÷

3 17


=4-

17 20


=3

3 20

用递等式计算.(1)0.48+10.8÷0.36×0.5

(1)0.48+10.8÷0.36×0.54,
=0.48+30×0.54,
=0.48+16.2,
=16.68;

(2)[9.08-(0.61+1.75)]+3.2,
=[9.08-2.36]+3.2,
=6.72+3.2,
=9.92;

(3)

13 14

-

15 28

÷

5 8

+

1 4


=

13 14

-

15 28

×

8 5

+

1 4


=

用递等式计算能简算的要简算 用递等式计算.(1)2632-450÷18×25(2)1.8÷0.75-0.48×0.5(3)( 7 8 + 3 4
13 14

-

6 7

+

1 4


=

1 14

+

1 4


=

9 28

(4)

4 5

÷[(

3 4

-

2 3

)÷

5 8

],
=

4 5

÷[

1 12

÷

5 8

],
=

4 5

÷[

1 12

×

8 5

],
=

4 5

÷

2 15


=

4 5

×

15 2


=6.

  
永远跟党走
  • 如果你觉得本站很棒,可以通过扫码支付打赏哦!

    • 微信收款码
    • 支付宝收款码