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除法的简算题型 计算下面各题,能简算的一定要简算:13.4+5.52+17.6+3.48  .

火烧 2022-10-09 19:39:13 1076
计算下面各题,能简算的一定要简算:13.4+5.52+17.6+3.48 . 计算下面各题,能简算的一定要简算:13.4+5.52+17.6+3.48 ...(1)13.4+5.52+17.6+3.4

计算下面各题,能简算的一定要简算:13.4+5.52+17.6+3.48  .  

计算下面各题,能简算的一定要简算:13.4+5.52+17.6+3.48  ...

(1)13.4+5.52+17.6+3.48
=(13.4+17.6)+(5.52+3.48)
=31+9
=40;

(2)19.38-(3.25+4.38)
=19.38-4.38-3.25
=15-3.25
=11.75;

(3)624÷[52×(10-6)]
=624÷[52×4]
=624÷208
=3;

(4)25×47+75×47
=(25+75)×47
=100×47
=4700.

计算下面各题,能简算的要简算:①18.9×9.9  ...

①18.9×9.9
=18.9×(10-0.1)
=18.9×10-18.9×0.1    
=189-1.89            
=187.11;

②12.5×8.94×0.8
=12.5×0.8×8.94
=10×8.94
=89.4;

③6.8×32+32×3.2
=32×(6.8+3.2)
=32×10
=320;

④(8.1-5.6)÷0.8+7.75
=2.5÷0.8+7.75
=3.125+7.75
=10.875;

⑤5.6×(12.5-8.5÷0.85)
=5.6×(12.5-10)
=5.6×2.5              
=14;

⑥[3.6+(13.3-8.3)×3.6]÷0.36
=[3.6+5×3.6]÷0.36 
=[3.6+18]÷0.36       
=21.6÷0.36 
=60.

计算下面各题(能简算的一定要简算).72×0.26÷6.5 ...

(1)72×0.26÷6.5
=18.72÷6.5
=2.88

(2)0.65×201
=0.65×(200+1)
=0.65×200+0.65
=130+0.65
=130.65

(3)0.5÷1.5÷0.03
=

1 3

÷

3 100

=

1 3

×

100 3

=

100 9

(4)1.92÷0.12-2.7
=16-2.7
=13.3

计算下面各题,能简算的要简算.(125+7)×8  ...

(1)(125+7)×8
=125×8+7×8
=1000+56
=1056;

(2)32×38+32×62 
=32×(38+62)
=32×100
=3200;

(3)25×44
=25×(4×11)
=25×4×11
=100×11
=1100;

(4)3.27+6.4+2.73+4.6
=(3.27+2.73)+(6.4+4.6)
=6+11
=17;

(5)6.45-0.58-1.42 
=6.45-(0.58+1.42)
=6.45-2
=4.45;

(6)12×(324-285)÷26
=12×39÷26
=468÷26
=18.

计算下面各题(能简算的要简算)56-45+310  ...

(1)

5 6

-

4 5

+

3 10

=

1 30

+

3 10

=

1 3

(2)

4 5

-(

3 8

+

1 4


=

4 5

-

5 8

=

7 40

(3)

1 2

+

4 5

-

1 2

+

4 5

=(

1 2

-

1 2

)+(

4 5

+

4 5


=0+

8 5

=

8 5

计算下面各题,能简算的要简算.7-15.1+61.3-4.9  ...

(1)7-15.1+61.3-4.9
=(7+61.3)-(15.1+4.9)
=68.3-20
=48.3;

(2)109÷[52+(1-1110)]
=109÷[52+(-1109)]
=109÷(-1057)
=-

109 1057

(3)2710×71×109
=192410×109
=20972690;

(4)24×(41+81-61)
=24×(122-61)
=24×61
=1464.

计算下面各题,能简算的要简算.25×16×125 700÷25  ...

(1)25×16×125      
=25×(2×8)×125
=(25×2)×(8×125)
=50×1000
=50000;

(2)700÷25
=(700×4)÷(25×4)
=2800÷100
=28;

(3)18×101-18
=18×(101-1)
=18×100
=1800;

(4)(2030-18×35)÷35    
=(2030-630)÷35
=1400÷35
=40;

(5)1600÷[(172-156)×25]
=1600÷[16×25]
=1600÷400
=4.

计算下面各题,能简算的要简算2.4×(3-2.5)÷0.75  ...

(1)2.4×(3-2.5)÷0.75,
=2.4×0.5÷0.75,
=1.2÷0.75,
=1.6;

(2)4.2-1.38+5.8-3.62,
=(4.2+5.8)-(1.38+3.62),
=10-5,
=5;

(3)0.75×99-

3 4

+2×75%,
=0.75×(99-1+2),
=0.75×100,
=75;

(4)0.125×0.25×32,
=0.125×0.25×4×8,
=(0.125×8)×(0.25×4),
=1×1,
=1.

计算下列各题(能简算的一定要简算) 24×( 14+18-16)  712×0.86+14%÷127  ...

(1)24×(

1 4

+

1 8

-

1 6

),
=24×

1 4

+24×

1 8

-24×

1 6


=6+3-4,
=9-4,
=5;

(2)

7 12

×0.86+14%÷

12 7


=

7 12

×0.86+0.14×

7 12


=

7 12

×(0.86+0.14),
=

7 12

×1,
=

7 12

(3)1?

1 2

?

1 4

?

1 8

?

1 16

?

1 32

?

1 64


=

1 2

?

1 4

?

除法的简算题型 计算下面各题,能简算的一定要简算:13.4+5.52+17.6+3.48  .
1 8

?

1 16

?

1 32

?

1 64


=

1 4

?

1 8

?

1 16

?

1 32

?

1 64


=

1 8

?

1 16

?

1 32

?

1 64


=

1 16

?

1 32

?

1 64


=

1

计算下面各题,能简算的要简算:(1)7.5×0.875+75%×1.25  ...

(1)7.5×0.875+75%×1.25
=7.5×0.875+0.75×1.25
=7.5×0.875+7.5×0.125
=7.5×(0.875+0.125)
=7.5×1
=7.5;

(2)

1998+1999×1997 1998×1999?1

=

1998+1999×(1998?1) 1998×1999?1

=

1998+1999×1998?1999 1998×1999?1

=

1999×1998?1 1998×1999?1

=1;

(3)

5 6

÷[

1 6

÷(

3 4

-

2 3

)]
=

5 6

÷[

1 6

÷

1 12

]
=

5 6

÷2
=

5 12

(4)

14 15

×[

7 8

-(

4 7

-12.5%)]
=

14 15

×[

7 8

-(

4 7

-

1 8

)]
=

14 15

×[

7 8

-

4 7

+

1 8

]
=

14 15

×[

7 8

+

1 8

-

4 7

]
=

14 15

×[1-

  
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