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五年级简便计算题100道 计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 &n

火烧 2021-07-09 03:57:42 1148
计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 am 计算下面各题,能简算的用简便方法计算2272-6360÷24

计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 &n  

计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 &n

(1)2272-6360÷24
=2272-265,
=2007;

(2)[6.85-(0.65+0.7)]÷2.5
=[6.85-1.35]÷2.5,
=5.5÷2.5,
=2.2;

(3)(

9 10

-

4 5

×

5 8

)÷

5 12

=(

9 10

-

1 2

)×

12 5


=

2 5

×

12 5


=

24 25

(4)(

5 8

+

1 27

)×8+

19 27

=

5 8

×8+

1 27

×8+

19 27


=8+(

8 27

+

19 27

),
=8+1,
=9.

脱式计算,能简算的要简算. 46×8-120÷15 [6.85-(0.65+0.7)]÷2.5 712÷9+

(1)46×8-120÷15,
=368-8,
=360;

(2)[6.85-(0.65+0.7)]÷2.5,
=[6.85-0.65-0.7]÷2.5,
=[6.2-0.7]÷2.5,
=5.5÷2.5,
=2.2;

(3)

7 12

÷9+

1 9

×

5 12


=

7 12

×

1 9

+

1 9

×

5 12


=(

7 12

+

5 12

)×

1 9


=1×

1 9


=

1 9

五年级简便计算题100道 计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 &n

(4)5.58-

3 5

+5.42-

2 5


=(5.58+5.42)-(

3 5

+

2 5

),
=11-1,
=10.

计算下面各题.(能简算的要用简便方法计算.) 32×38÷6779×58+79×3815÷(512+56)56×37×25

(1)32×

3 8

÷

6 7

=12÷

6 7

=14;

(2)

7 9

×

5 8

+

7 9

×

3 8

=

7 9

×(

5 8

+

3 8


=

7 9

×1
=

7 9

(3)15÷(

5 12

+

5 6


=15÷

5 4

=12;

(4)

5 6

×

3 7

×

2 5

=

5 14

×

2 5

=

1 7

计算下面各题,能简算的用简便方法计算。 18.9×9.9 12.5×8.94×0.8 7.4×0.5+7

18.9×9.9
=18.9×(10-0.1)
=189-1.89
=187.11 12.5×8.94×0.8
=(12.5×0.8)×8.94
=10×8.94
=89.4 7.4×0.5+7.4÷0.5
=7.4×(0.5+2)
=7.4×2.5
=18.5 4.92÷2.4
=2.05 6.8×32+32×3.2
=32×(6.8+3.2)
=320 (8.1-5.6)÷0.8+7.75
=2.5÷0.8+7.75
=10.875 5.92×2.5
=14.8 5.6×(12.5-8.5÷0.85)
=5.6×2.5
=5.6÷0.4
=14 3.5×[13-(3.12+5.28)]
=3.5×(13-8.4)
=3.5×4.6
=16.1

计算下面各题,能简算的要用简便方法计算.2400÷75+48×1.5 &...

(1)2400÷75+48×1.5  
=32+72
=104                      
(2)

7 8

÷

1 2

+(

4 5

-

1 5


=1.75+0.6
=2.35
(3)2.75×5.8+3.2×275%+2.75        
=2.75×(5.8+3.2+1)
=2.75×10
=27.5                
(4)

5 16

×12.5÷

5 4

×8
=(

5 16

÷

5 4

)×(8×12.5)
=

1 4

×100
=25.

计算下面各题,能简算的用简便方法计算. 820-20×24÷80= [135-(35+75)]×48= 8×3×125= 55

(1)820-20×24÷80,
=820-480÷80,
=820-6,
=814;(2)[135-(35+75)]×48,
=[135-35-75]×48,
=(100-75)×48,
=25×4×12,
=100×12,
=1200;

(3)8×3×125,
=8×125×3,
=1000×3,
=3000;

(4)55×45-45×45,
=(55-45)×45,
=10×45,
=450;

(5)24×19+24,
=24×(19+1),
=24×20,
=480.

计算下面各题,能简算的要用简便方法计算.①250×8-245  ...

①250×8-245,
=2000-245,
=1755;

②10.15-6.25-3.75+7.85,
=10.15+7.85-(6.25+3.75),
=18-10,
=8;

7 8

×

5 9

+

5 9

÷8,
=

7 8

×

5 9

+

5 9

×

1 8


=(

1 8

+

7 8

)×

5 9


=1×

5 9


=

5 9

④24+5÷(3-2.5),
=24+5÷0.5,
=24+10,
=34;

10 13

×(

3 4

+1÷

5 6

),
=

10 13

×(

3 4

+

6 5

),
=

10 13

×(

15 20

+

24 20

),
=

10 13

×

39 20


=

3 2

⑥2÷[4×(

1 2

-

1 3

)]
=2÷[4×(

3 6

-

2 6

)],
=2÷[4×

1 6

],
=2÷

计算下面各题,能简算的要用简便方法计算.96÷0.24÷4 2.56×99&nb...

(1)96÷0.24÷4
=96÷(0.24×4)
=96÷0.96
=100;

(2)2.56×99
=2.56×(100-1)
=2.56×100-2.56×1
=256-2.56
=253.44;

(3)19.98÷5.4-2.08
=3.7-2.08
=1.62;

(4)7.8×99+7.8
=7.8×(99+1)
=7.8×100
=780;

(5)14.56÷0.26×7.01
=56×7.01
=392.56;

(6)5.78+0.25×1.6
=5.78+0.4
=6.18.

  
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