小學數學脫式計算題

時間 2021-08-11 17:29:55

1樓:匿名使用者

解:脫式計算。

408-12×24 (46+28)×60 42×50-1715÷5

32+105÷5 (108+47)×52 420×(327-238)

(4121+2389)÷7 671×15-974 469×12+1492

405×(3213-3189) 5000-56×23 125×(97-81)

6942+480÷3 304×32-154 20+80÷4-20=

100÷(32-30)×0= 25×4-12×5=

70×〔(42-42)÷18〕= 75×65+75×35=

用簡便方法計算下面各題

1、89+124+11+26+48 2、875-147-23

3.25×125×40×8 4、147×8+8×53

5、125×64 6、0.9+1.08+0.92+0.1

用簡便方法計算

①89+124+11+26+48 ②875-147-23

③147×8+8×53 ④125×64

計算下面各題.

1.280+840÷24×5 2.85×(95-1440÷24)

3.58870÷(105+20×2) 4.80400-(4300+870÷15)

5.1437×27+27×563 6.81432÷(13×52+78)

7.125×(33-1) 8.37.4-(8.6+7.24-6.6)

計算。(1∶1)

(1)156×107-7729 (2)37.85-(7.85+6.4)

(3)287×5+96990÷318 (4)1554÷[(72-58)×3]

脫式計算

2800÷ 100+789 (947-599)+76×64

1.36×(913-276÷23) 2.(93+25×21)×9

3.507÷13×63+498 4.723-(521+504)÷25

5.384÷12+23×371 6.(39-21)×(396÷6)

(1)156×[(17.7-7.2)÷3] (2)[37.85-(7.85+6.4)] ×30

(3)28×(5+969.9÷318) (4)81÷[(72-54)×9]

57×12-560÷35 848-640÷16×12

960÷(1500-32×45) [192-(54+38)]×67

138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25 25×32×125 32×(25+125)

178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199

123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178

79×42+79+79×57 7300÷25÷4 8100÷4÷75 75×27+19×2 5 31×870+13×310

4×(25×65+25×28) 138×25×4 (13×125)×(3×8) (12+24+80)×50

25×32×125 32×(25+125) 102×76 58×98

178×101-178 84×36+64×84 75×99+2×75 83×102-83×2

98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)

178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75

供參考,我沒計算

2樓:奇蹟與我有關

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

11/14-3/14+1/8

=4.05-(2.8+0.7)

=0.55

4.05-2.8-0.7

=4.05-(2.8+0.7)

=0.55

212+198

=(200+12)+(100+98)

=200+12+100+98

=12+98+100+200

=110+100+200

=410

13.75-(3.75+6.48)

=13.75-3.75-6.48

=10-6.48

=3.52

(0.75*42.7+57.3-0.573*25)/3*7972

=(0.75*42.7+57.3*1-57.3*0.25)/3*7972

=[0.75*42.7+57.3(1-0.25)]/3*7972

=[0.75*42.7+57.3*0.75]/3*7972

=[(42.7+57.3)*0.75]/3*7972

=75/3*7972

=25*7972

=199300

3.45*0.6*2.8=3.45×2.8×0.6=5.796

4.02+5.4+0.98

=4.02+0.98+5.4

=5+5.4

=10.4

5.17-1.8-3.2

=5.17-(1.8+3.2)

=5.17-5

=0.17

13.75-(3.75+6.48)

=13.75-3.75-6.48

=3.52

33*145+33*55

=(145+55)*33

=200*33

=6600

369*136-36*369

=100*369

=36900

193*51+193*49

=100*193

=19300

25*32

=25*4*8

=800

79*16+79*78+79*6

=(16+78+6)*79

=100*79

=7900

25*32

=25*4*8

=800

193*51+193*49

=100*193

=19300

369*136-36*369

=100*369

=36900

33*145+33*55

=(145+55)*33

=200*33

=6600

1.45+15×6= 135

2.250÷5×8=400

3.6×5÷2×4=60

4.30×3+8=98

5.400÷4+20×5= 200

6.10+12÷3+20=34

7.(80÷20+80)÷4=21

8.70+(100-10×5)=120

9.360÷40+10= 19

10.40×20-200= 600

11.(80-25)*2= 110

12.70+45=115

13.90×2÷3= 60

14.16×6÷3= 32

15.300×6÷9= 200

16.540÷9×7=420

17.30×20÷15= 20

18.400÷4×7= 700

19.(350-80)÷9= 30

20.160+70+50=280

21.18-64÷8= 10

22.42÷6+20=27

23.40-5×7= 5

24.80+60÷3=100

25.41+18÷2= 50

26.75-11×5= 20

27.42+7-29= 20

28.5600÷80=70

29.25×16÷4= 100

30.120×25÷5= 600

31.36×11÷3= 132

32.1025÷25×8=328

33.336+70-6= 400

34.25×9×4= 900

35.200-33×3= 101

36.3020-1010=2010

37.12×50+10= 610

38.25×8+199= 399

39.23×11-13= 240

40.125÷25-5=0

41.4200-2200+200=2200

42.220+80-150=150

43.20×8×5= 800

44.600-3×200=0

45.20+20÷2= 30

46.35-25÷5= 30

47.36+8-40= 4

1)25%*132+1/4*8 2)32*0.125*25

=1/4*132+1/4*8 =(4+8)*0.125*25

=1/4*(132+8) =(4*25)*(8*0.125)

=1/4*140 =100*1

=35 =1000

3)75%*76+25*4+0.75*12

=3/4*76+3/4*12+25*4

=3/4*88+100

=166

4)3200*1/8÷2/5+1270 5)(2/3+4/5)*7/6

=400*5/2+1270 =22/15*7/6

=1000+1270 =77/45

=2270

5)6*(1/2+2/3) 6)132*(44÷176)

=6*1/2+6*2/3 =132*1/4 =33

=3+4

=7 7)72.25%*99+75.25%

=75.25%*99+75.25%*1

=75.25%*(99+1)

=75.25%*100

=75.25

①2700×(506-499)÷900 ②33.02-(148.4-90.85)÷2.5

=2700×7÷900 =33.02-57.55÷2.5

=18900÷900 =33.02-23.02

=21 =10

③(1÷1-1)÷5.1 ④18.1+(3-0.299÷0.23)×1

=(1-1)÷5.1 =18.1+1.7x1

=0÷5.1 =18.1+1.7

=0 =19.8

/ =除號 *=乘號

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