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五年级脱式计算简便运算的题 用脱式计算下面各题(能简算的要简算). 1f88+1368÷89×25 56×1f+1f×16 9-8.15-f.85 (22.

火烧 2021-06-18 13:10:05 1076
用脱式计算下面各题(能简算的要简算). 1f88+1368÷89×25 56×1f+1f×16 9-8.15-f.85 (22. 用脱式计算下面各题(能简算的要简算). 1f88+1368÷89×25

用脱式计算下面各题(能简算的要简算). 1f88+1368÷89×25 56×1f+1f×16 9-8.15-f.85 (22.  

用脱式计算下面各题(能简算的要简算). 1f88+1368÷89×25 56×1f+1f×16 9-8.15-f.85 (22.

(1)1小88+1068÷89×2地,
=1小88+12×2地,
=1小88+我00,
=1788;

(2)

地 6

×

1 小

+

1 小

×

1 6


=(

地 6

+

1 6

)×

1 小


=1×

1 小

(我)9-8.1地-小.8地,
=9-(8.1地+小.8地),
=9-1我,
=-小;

(小)(22.地-21×

6 7

)÷0.1地,
=(22.地-18)÷0.1地,
=小.地÷0.1地,
=我0.

脱式计算(能简算的要简算)(1) 2 9 + 1 2 ÷ 4 f + r 1

(1)

2 我 +

1 2

÷

v z

+

3 2


=

2 我

+(

1 2

×

z v

+

3 2

) ,
=

2 我

+(

z 2

+

3 2

),
=

2 我

+1,
= 1

2 我

(2)

2 13

÷7+

1 7

×

6 13


=

2 13

×

1 7

+

1 7

×

6 13


=

1 7

×(

2 13

+

6 13

) ,
=

1 7

×

1v 13


=

2 13

(3)

12 z

×(

z 6

+

3 v

),
=

12 z

×

z 6

+

12 z

×

3 v


=2+1

v z


= 3

v z

计算下面各题,能简算的要简算.8×25+8×3569×5231200-19879÷115+29×51147×(1÷34?14÷1)+56

(1)8×

2 5

+8×

3 5


=(

2 5

+

3 5

)×8,
=1×8,
=8;

(2)69×

5 23

=15;

(3)1200-198,
=1200-(200-2),
=1200-200+2,
=1002;

(4)

7 9

÷

11 5

+

2 9

×

五年级脱式计算简便运算的题 用脱式计算下面各题(能简算的要简算). 1f88+1368÷89×25 56×1f+1f×16 9-8.15-f.85 (22.
5 11


=

7 9

×

5 11

+

2 9

×

5 11


=(

7 9

+

2 9

)×

5 11


=1×

5 11


=

5 11

(5)

4 7

×(1÷

3 4

-

1 4

÷1)+

5 6


=

4 7

×(

4 3

-

1 4

)+

5 6


=

4 7

×

13 12

+

5 6


=

13 21

+

5 6


=

61 42

计算下面各题(能简算的要简算)89-45+19 75-(27+25) 1914-(14+514)+1

(1)

8 9

-

4 5

+

1 9

=(

8 9

+

1 9

)-

4 5

=1-

4 5

=

1 5

(2)

7 5

-(

2 7

+

2 5


=

7 5

-

2 5

-

2 7

=1-

2 7

=

5 7

(3)

19 14

-(

1 4

+

5 14

)+

1 4

=(

19 14

-

5 14

)+(

1 4

-

1 4


=1+0
=1.

脱式计算下面各题(能简算的要简算):(1)74×15-500;(2)(55-38)×206;(3)32×22+68×22;(4

(1)74×15-500
=1110-500
=610;

(2)(55-38)×206
=17×206
=3502;

(3)32×22+68×22
=(32+68)×22
=100×22
=2200;

(4)(192+272÷34)÷40
=(192+8)÷40
=200÷40
=5.

计算下面各题,能简算的要简算.(1)25×1.25×4(2)(3.75+4.1+2.35)×0.8(3)1-512-712(4)99×16

(1)25×1.25×4,
=1.25×(25×4),
=1.25×100,
=125;

(2)(3.75+4.1+2.35)×0.8,
=(3.75+2.25+4.1)×0.8,
=(6+4.1)×0.8,
=6×0.8+4.1×0.8,
=4.8+3.28,
=8.08;

(3)1-

5 12

-

7 12


=1-(

5 12

+

7 12

),
=1-1,
=0;

(4)99×16+16,
=(99+1)×16,
=100×16,
=1600;

(5)10÷

5 9

+

2 3

×18,
=10×

9 5

+

2 3

×18,
=18+12,
=30;

(6)26.35÷6.2+14.5,
=4.25+14.5,
=18.75.

算下面各题,能简算的要简算.88×56+44×88 &nbs...

(1)88×56+44×88
=88×(56+44)
=88×100
=8800;
                  
(2)307×(84÷21×2)
=307×(4×2)
=307×8
=2456;

(3)25×44
=25×4×11
=100×11
=1100;
                         
(4)800×(270-25)÷7
=800×245÷7
=196000÷7
=28000.

计算下面各题,能简算的要简算.(1.5+0.7)×(0.09÷1.8) 8 15 ÷9+ 1 9 × 7

(1)(1.5+0.7)×(0.09÷1.8)
=2.2×0.05,
=0.11;

(2)

8 15

÷9+

1 9

×

7 15

=

8 15

×

1 9

+

1 9

×

7 15


=(

8 15

+

7 15

)×

1 9


=1×

1 9


=

1 9

(3)71.2-2.3×1.6-6.32
=71.2-3.68-6.32,
=71.2-(3.68+6.32),
=71.2-10,
=61.2;

(4)

1 9

÷[

4 7

×(

2 3

+

1 4

)] .
=

1 9

÷[

4 7

×

11 12

],
=

1 9

÷

11 21


=

7 33

计算下面各题,能简算的要简算.①[3.2×(1-58)+335]×2112 ②137...

①[3.2×(1-

5 8

)+3

3 5

]×2

1 12

=[3.2×

3 8

+3

3 5

]×2

1 12

=[1.2+3

3 5

]×2

1 12

=4.8×2

1 12

=10;

②1

3 7

+2

4 15

+4

4 7

+3

2 15

=(1

3 7

+4

4 7

)+(2

4 15

+3

2 15


=6+5

2 5

=11

2 5

43 97

×99
=

43 97

×(97+2)
=

43 97

×97+

43 97

×2
=43+

86 97

=43

86 97

④1.8×

1 4

+2.2×25%
=1.8×0.25+2.2×0.25
=(1.8+2.2)×0.25
=4×0.25
=1.

计算下列各题,能简算的要简算(1)29-87×85÷112 ...

(1)29-

8 7

×

8 5

÷

1 12

=29?

8 7

×

8 5

×12
=29-21

33 35

=7

2 35


                  
(2)

1 5

[(

2 3

+

1 5

)×

2 13

]
=

1 5

×[

13 15

×

2 13

]
=

1 5

×

2 15

=

2 75

(3)87×

2 85

=(85+2)×

2 85

=85×

2 85

+2×

2 85

=2+

4 85

=2

4 85


                        
(4)13.67×

1 4

-3.67÷4
=(13.67?3.67)×

1 4

=10×

1 4

=2.5.

  
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