100道脱式计算有答案,要简单的

如题所述

(1)45.55-(6.82+15.55)                    (2)34.52-17.87-12.23

(3)6.43-(1.4-0.57)                         (4)23.75-8.64-3.46

(5)17.83-9.5-7.83-0.5                     (6)5.38+88.2-2.38+1.8

(7)27.38-5.34+2.62-4.66                   (8)21.63-(8.5+9.63)  

(9)7.5-2.45+7.5+2.45                      (10)0.9+0.99+0.999   

(11)5.09-(0.09+1.23)                       (12)9.36-(4.36-3.5)

(13)609-708+306-108+202-198+497-100          (14)14+15+16+……+45+46

(15)9999+9998+9997+9996                      (16)99999×26+33333×22

(17)19175÷59+678                           (18)36.5×1.4-8.51

(19)1.3-3.79+9.7-6.21                     (20)8×0.4×12.5×2.5 

(21)125×(8+0.8+0.08)                 (22)45 ÷〔78 -(25 +38 )〕

(23)1.7+150 +3.98                     (24)92.4-(4.4+58 )      

(25)3.35×6.47×2+6.7×3.6             (26)18.7-3.375-6.625         

(27)2.5×4.4                            (28)25×1.25×32   

(29)(3.75+4.1+2.35)×9.8            (30)1.28+9.8+7.72+10.2     

(31)12 ×1120 +12 ×2049                (32)120-144÷18+35 

(33)347+45×2-4160÷52                 (34)(58+37)÷(64-9×5) 

(35)95÷(64-45)                      (36)85+14×(14+208÷26) 

(284+16)×(512-8208÷18)       (38)120-36×4÷18+35 

(58+37)÷(64-9×5)            (40)(6.8-6.8×0.55)÷8.5 

答案

(1)23.18

(2)4.42

(3)5.6

(4)11.65

(5)0

(6)93

(7)20

(8)3.5

(9)15

(10)2.889

(11)3.77

(12)8.5

(13)500

(14)1950

(15)39990

(16)3333300

(17)1003

(18)42.59

(19)1

(20)100

(21)1110

(22)3

(23)155.68

(24)30

(25)67.469

(26)8.7

(27)11

(28)1000

(29)99.96

(30)29

(31)38028

(32)147

(33)357

(34)5

(35)5

(36)393

(37)16800

(38)77

(39)5

(40)0.36

0.4×125×25×0.8 

=(0.4×25)×(125×0.8)

=10×100=1000 

1.25×(8+10) 

=1.25×8+1.25×10

=10+12.5=22.5 

9123-(123+8.8) 

=9123-123-8.8

=9000-8.8

=8991.2 

1.24×8.3+8.3×1.76 

=8.3×(1.24+1.76)

=8.3×3=24.9 

9999×1001 

=9999×(1000+1)

=9999×1000+9999×1 

=10008999 

14.8×6.3-6.3×6.5+8.3×3.7 

=(14.8-6.5)×6.3+8.3×3.7

=8.3×6.3+8.3×3.7 

8.3×(6.3+3.7) 

=8.3×10 

=83 

1.24+0.78+8.76 

=(1.24+8.76)+0.78 

=10+0.78 

=10.78 

933-157-43 

=933-(157+43)

=933-200

=733 

4821-998 

=4821-1000+2

=3823 

 I32×125×25 

=4×8×125×25 

=(4×25)×(8×125)

=100×1000 

=100000

9048÷268 

=(2600+2600+2600+1248)÷26

=2600÷26+2600÷26+2600÷26+1248÷269 

=100+100+100+48

=348

2881÷ 43 

=(1290+1591)÷ 434

=1290÷43+1591÷43

=30+37

3.2×42.3×3.75-12.5×0.423×16

=3.2×42.3×3.75-1.25×42.3×1.6

=42.3×(3.2×3.75-1.25×1.6)

=42.3×(4×0.8×3.75-1.25×4×0.4)

=42.3×(4×0.4×2×3.75-1.25×4×0.4)

=42.3×(4x0.4x7.5-1.25x4x0.4)

=42.3×[4×0.4×(7.5-1.25)]

=42.3×[4×0.4×6.25]  

=42.3×(4×2.5)

=4237 

1.8+18÷1.5-0.5×0.3  

=1.8+12-0.15

=13.8-0.15

=13.65

6.5×8+3.5×8-47 

=52+28-47

=80-47

(80-9.8)×5分之2-1.32 

=70.2X2/5-1.32

=28.08-1.32

=26.76

8×7分之4÷[1÷(3.2-2.95)]

=8×4/7÷[1÷0.25]

=8×4/7÷4

=8/7

2700×(506-499)÷900   

=2700×7÷900              

=18900÷900                

=21                        

33.02-(148.4-90.85)÷2.5

=33.02-57.55÷2.5

=33.02-23.02 

=10

(1÷1-1)÷5.1       

=(1-1)÷5.1 

=0÷5.1                 

=0

18.1+(3-0.299÷0.23)×1

=18.1+1.7×1 

=18.1+1.7 

=19.8

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