第1个回答 2017-02-10
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
32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000 9048÷26
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷26
=100+100+100+48
=348
2881÷ 43
=(1290+1591)÷ 43
=1290÷43+1591÷43
=30+37 =67 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)
=423
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 =33 (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
1.125*3+125*5+25*3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4.3/7 × 49/9 - 4/3
5.8/9 × 15/36 + 1/27
6.12× 5/6 – 2/9 ×3
7.8× 5/4 + 1/4
8.6÷ 3/8 – 3/8 ÷6
9.4/7 × 5/9 + 3/7 × 5/9
10.5/2 -( 3/2 + 4/5 )
11.7/8 + ( 1/8 + 1/9 )
12.9 × 5/6 + 5/6
13.3/4 × 8/9 - 1/3
14.7 × 5/49 + 3/14
15.6 ×( 1/2 + 2/3 )
16.8 × 4/5 + 8 × 11/5
17.31 × 5/6 – 5/6
18.9/7 - ( 2/7 – 10/21 )
19.5/9 × 18 – 14 × 2/7
20.4/5 × 25/16 + 2/3 × 3/4
21.14 × 8/7 – 5/6 × 12/15
22.17/32 – 3/4 × 9/24
23.3 × 2/9 + 1/3
24.5/7 × 3/25 + 3/7
25.3/14 ×× 2/3 + 1/6
26.1/5 × 2/3 + 5/6
27.9/22 + 1/11 ÷ 1/2
28.5/3 × 11/5 + 4/3
29.45 × 2/3 + 1/3 × 15
30.7/19 + 12/19 × 5/6
31.1/4 + 3/4 ÷ 2/3
32.8/7 × 21/16 + 1/2
33.101 × 1/5 – 1/5 × 21
34.50+160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37(58+37)÷(64-9×5)
38.95÷(64-45)
39.178-145÷5×6+42
40.812-700÷(9+31×11)
41.85+14×(14+208÷26)
43.120-36×4÷18+35
44.(58+37)÷(64-9×5)
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.(3.2×1.5+2.5)÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×(4.8-1.2×4)=
51.5.8×(3.87-0.13)+4.2×3.74
52.32.52-(6+9.728÷3.2)×2.5
53.[(7.1-5.6)×0.9-1.15] ÷2.5
54.5.4÷[2.6×(3.7-2.9)+0.62]
55.12×6÷(12-7.2)-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370)÷(64-45)
59.420+580-64×21÷28
60.136+6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1+(3-0.299÷0.23)×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.(3.2×1.5+2.5)÷1.6
66.3.2×6+(1.5+2.5)÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×(3.87-0.13)+4.2×3.74本回答被提问者采纳