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六上数学简算题 计算下面各题,能简算的要简算.59+311+49+811 375+450÷18×25 12×(14+16?13) 49÷[56?(16+13)] 4.05

火烧 2022-12-26 01:25:12 1074
计算下面各题,能简算的要简算.59+311+49+811 375+450÷18×25 12× 14+16?13 49÷[56? 16+13 ] 4.05 计算下面各题,能简算的要简算.59+311+4

计算下面各题,能简算的要简算.59+311+49+811 375+450÷18×25 12×(14+16?13) 49÷[56?(16+13)] 4.05  

计算下面各题,能简算的要简算.59+311+49+811 375+450÷18×25 12×(14+16?13) 49÷[56?(16+13)] 4.05

(1)

5 9

+

3 11

+

4 9

+

8 11

=(

5 9

+

4 9

)+(

3 11

+

8 11


=1+1
=2

(2)375+450÷18×25
=375+25×25
=375+625
=1000

(3)12×(

1 4

+

1 6

-

1 3


=12×

1 4

+12×

1 6

-12×

1 3

=3+2-4
=1

(4)

4 9

÷[

5 6

-(

1 6

+

1 3

)]
=

4 9

÷[

5 6

-

1 2

]
=

4 9

÷

1 3

=

4 9

×3
=

4 3

(5)4.05-2.8-0.7
=4.05-(2.8+0.7)
=4.05-3.5
=0.55

(6)8.5-(5.6+4.8)÷1.3
=8.5-10.4÷1.3
=8.5-8
=0.5

计算下面各题.(能简算的要简算)(16+12)÷65 57×29+27÷92 518÷[56?(16+13)] 14÷[(1?14)×65]

(1)(

1 6

+

1 2

)÷

6 5

=

2 3

×

5 6

=

5 9

(2)

5 7

×

2 9

+

2 7

÷

9 2

=

5 7

×

2 9

+

2 7

×

2 9

=(

5 7

+

2 7

)×

2 9

=1×

2 9

=

2 9

(3)

5 18

÷[

5 6

-(

1 6

+

1 3

)]
=

5 18

÷[

5 6

-

1 2

]
=

5 18

×3
=

5 6

(4)

1 4

÷[(1-

1 4

)×

计算下面各题.能简算的要简算. 14÷(3-513-813) 512×13+1112×5 375+450÷18×25 1011+6

(1)

1 4

÷(3-

5 13

-

8 13

),
=

1 4

÷[3-(

5 13

+

8 13

)],
=

1 4

÷[3-1],
=

1 4

÷2,
=

1 8

(2)

5 12

×13+

11 12

×5,
=

5 12

×13+

5 12

×11,
=

5 12

×(13+11),
=

5 12

×24,
=10;

(3)375+450÷18×25,
=375+25×25,
=375+625,
=1000;

(4)

10 11

+

6 11

÷(4÷

2 3

),
=

10 11

+

6 11

÷6,
=

10 11

+

1 11


=1.

计算下面各题,能简算的要简算.103×5×115 (914 56×513+56×813 (12+13+16)×12

(1)

10 3

×5×

1 15


=

10 3

×(5×

1 15

),
=

10 3

×

1 3


=

10 9

(2)(

9 14

?

2 7

)×28,
=

9 14

×28?

2 7

×28,
=18-8,
=10;

(3)

5 6

×

5 13

+

5 6

×

8 13


=

5 6

×(

5 13

+

8 13

),
=

5 6

×1,
=

5 6

(4)(

1 2

+

1 3

+

1 6

)×12,
=

1 2

×12+

1 3

×12+

1 6

×12,
=6+4+2,
=12.

计算下面各题,能简算的要简算:(512+13)×12+59×0.75+34×49(27+40%)×76-1569.4-5.185÷1

(1)(

5 12

+

1 3

)×12+

5 9

×0.75+

3 4

×

4 9


=

5 12

×12+

1 3

×12+

5 9

×0.75+0.75×

4 9


=5+4+(

5 9

+

4 9

)×0.75,
=9+0.75,
=9.75;

(2)(

2 7

+40%)×

7 6

-

1 5


=(

2 7

+

2 5

)×

7 6

-

1 5


=

2 7

×

7 6

+

2 5

×

7 6

-

1 5


=

1 3

+

7 15

-

1 5


=

3 5

(3)69.4-5.185÷1.7-13.9×0.5,
=69.4-3.05-6.95,
=69.4-(3.05+6.95),
=69.4-10,
=59.4.

计算下面各题,能简算的要简算.127-(13÷715+811)79+6.28+29-4.28920÷[12×(25+45)].

(1)

12 7

-(

1 3

÷

7 15

+

8 11


=

12 7

-(

1 3

×

15 7

+

8 11


=

12 7

-(

5 7

+

8 11


=

12 7

-

5 7

-

8 11

=1-

8 11

=

3 11

(2)

7 9

+6.28+

2 9

-4.28
=(

7 9

+

2 9

)+(6.28-4.28)
=1+2
=3;

(3)

9 20

÷[

1 2

×(

2 5

+

4 5

)]
=

9 20

÷[

1 2

×

6 5

]
=

9 20

÷

3 5

=

9 20

×

5 3

=

3 4

计算下面各题.(1)41×1740 (2)12×(14+16-13) (3)375+450÷18×25 (4)(45+14)÷73 (

(1)41×

17 40


=(40+1)×

17 40


=40×

六上数学简算题 计算下面各题,能简算的要简算.59+311+49+811 375+450÷18×25 12×(14+16?13) 49÷[56?(16+13)] 4.05
17 40

+1×

17 40


=17+

17 40


=17

17 40

(2)12×(

1 4

+

1 6

-

1 3

),
=12×

1 4

+12×

1 6

-12×

1 3


=3+2-4,
=1;

(3)375+450÷18×25,
=375+450÷18×25,
=375+25×25,
=375+625,
=1000;

(4)(

4 5

+

1 4

)÷

7 3


=(

4 5

+

1 4

)×

3 7


=(

16 20

+

5 20

)×

3 7


=

21 20

×

3 7


=

9 20

(5)8-6÷2.4,
=8-2.5,
=5.5;

(6)(6)1.2×1.2+8.8×1.2,
=1.2×(1.2+8.8),
=1.2×10,
=12.

计算下列各题,能简算的要简算 14÷(23?16÷13) 59×10+59÷17+59 99%+91×(213?17

(1)

1 4

÷(

2 3

-

1 6

÷

1 3


=

1 4

÷(

2 3

-

1 6

×3)
=

1 4

÷(

2 3

-

1 2


=

1 4

÷

1 6

=

1 4

×6
=

3 2

(2)

5 9

×10+

5 9

÷

1 7

+

5 9

=

5 9

×10+

5 9

×7+

5 9

=

5 9

×(10+7+1)
=

5 9

×18
=10;

(3)99%+91×(

2 13

-

1 7


=0.99+91×

1 91

=0.99+1
=1.99.

计算下面各题,能简算的要简算.(712+38-56)÷12438×56-13×38

(1)(

7 12

+

3 8

-

5 6

)÷

1 24


=(

7 12

+

3 8

-

5 6

)×24,
=

7 12

×24+

3 8

×24-

5 6

×24,
=14+9-20,
=23-20,
=3;

(2)

3 8

×

5 6

-

1 3

×

3 8


=

3 8

×(

5 6

-

1 3

),
=

3 8

×

1 2


=

3 16

计算下面各题(能简算的要简算). 706×99+706 25×13×25×310 1.6+3.1+5.4+6.9 (12-14

(1)706×99+706,
=706×(99+1),
=706×100,
=70600;

(2)25×

1 3

×

2 5

×

3 10


=(25×

2 5

)×(

3 10

×

1 3

),
=10×

1 10


=1;

(3)1.6+3.1+5.4+6.9,
=(1.6+5.4)+(6.9+3.1),
=7+10,
=17;

(4)(

1 2

-

1 4

)×

2 5


=

1 4

×

2 5


=

1 10

  
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