小学五年级简便运算题

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小学五年级简便小数点混合运算题

2.5×7.1×4
16.12×99+16.12
5.2×0.9+0.9
7.28×99+7.28
4.3×50×0.2
64-2.64×0.5
26×15.7+15.7×24
(2.275 +0.625)×0.28
3.94+34.3×0.2
1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7
2.7×5.4×3.9
3.6×9.85-5.46
8.05×3.4+7.6
6.58×4.5×0.9
2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5
(1.25-0.125)×8
4.8×100.1 56.5×99+56.5
7.09×10.8-0.8×7.09
4.85 + 0.35 ÷ 1.4
8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8
9.5×101
0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18
4.8 ×(15 ÷ 2.4)
6.81+6.81×99
0.25×185×40
4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)× 2.5
4.2.×1.75+1.8×1.75
2.5×1.25×0.32
2.5×(3.8×0.04)
7.69×101
3.8×10.1
0.25×39+0.25
0.125×72
46×0.33+54×0.33
(8×5.27) ×1.25
6.81+6.81×99
0.25×185×40
6.8×0.75÷0.5
3.75÷0.125–2.75
1.53+23.4÷7.2
9.5×99
13.5×0.98
12.5×8.8

小学五年级数学小数混合运算题

1、直接写出得数.
0.45×2.5= 0.8×1.25= 0.3×3.6= 0.3×0.3= 10×0.07= 0.3×1.4= 0.05×7= 0.92×0.4= 0.2×0.26= 0.14×4= 0.02×0.1= 1.2×0.3=0.2×0.4= 8.2+1.8= 100-35.22= 2.3×4=
2.5×0.4= 2.4×5= 0.22×4= 3.25×0=
0.9-0.52= 3.99×1= 0×3.52= 12.5×8=
8÷10 = 10-1.8-7.2= 0.43+3.57= 2.5×4×12=
0.9×0.8= 7.5x-3x = a+3a+7a== 1.05×100= 1÷0.5= 0.96÷3= 1.47÷0.7= 5.4÷6=
0.16.5×10= 0.56×100= 3.78×100= 4÷0.8 =
3.215×100= 0.8×10= 4.08×100= 1.1×0.2 =
0.6×0.8 = 3×0.9= 2.5×0.4= 3.6×0.4=
12.5×8= 50×0.04= 80×0.3 = 1.1×9=
0.16×5 = 1.78+2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 = 2.5×0.4 = 12-3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 = 3.9+2.03= 4.2÷3.5=
1.6+2.4×0.3 = 2.14-0.9= 27+456+73= 0.3×0.3=
7.2+2.8= 0.9÷0.01= 12÷0.3= 2.87÷0.7=
13÷4= 0.96÷0.3= 1.5×0.4= 7÷0.25= 2.5×0.7×0.8= 8-2.5= 16÷1.6= 5.6×1.01= 8×(2.5+0.25)= 0.36+0.64= 64.32÷16= 4.2÷0.1=
72.8÷0.8= 8.4÷4.2= 13.8+9.9= 2.4×2.5=
0.05×0.8= 2.56-0.37= 1.25×0.8×0.5= 12×2.5= 1.23×3= 3.2÷1.6= 3.5+3.5×3= 19.6÷2= 8.8÷2.2= 0.75×4= (1.5+0.25)×4= 0.5×0.8=
8.4×0.2= 1.6×0.2= 7.2×0.3= 2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100=
2.2÷0.11= 5.46+4.54= 12.5×0.8= 0.35×0.3=
1.4×5= 2.8×4= 19.6÷4= 22.5×4=
2、用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13=
0.18×15= 0.025×14= 3.06×36=
0.04×0.12= 3.84×2.6≈ 5.76×3=
(保留一位小数)
7.15×22 90.75÷3.3 3.68×0.25
16.9÷0.13 1.55÷3.9 3.7×0.016
13.76×0.8= 5.2×0.6 8.4×1.3
6.4×0.5 4.48×0.4 5.25×5
35.4×4.2 0.042×0.54 0.76×0.32
0.25×0.046 2.52×3.4 1.08×25
0.12×0.5×0.16= 4.8×0.25= 0.125×1.4≈
(保留两位小数)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用回圈小数)
10.75÷12.5= (用乘法验算) 3.25×9.04= (用除法验算)
3、脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28
3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8
4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101
0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4) 2.13.×0.×8257
6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)× 2.5 4.2.×1.+1.×1.75
2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.1
2.5×(3.8×0.04) 7.69×101 3.8×10.1
0.25×39+0.25 0.125×72 46×0.33+54×0.33
(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40
6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2
9.5×99 13.5×0.98 12.5×8.8
二、解方程:
54-X=24 7X=49 126÷X=42
13+A=28.5 2.4X=26.4 7.5x-3x=18
5×1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2

小学五年级四则混合运算题!

1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6
121 - 111 ÷ 37
(121 - 111 ÷ 37)× 5
280 + 650 ÷ 13
1000 -(280 + 650 ÷ 13)
707 - 35 × 20
(120 - 103)× 50
760 ÷ 10 ÷ 38
(95 - 19 × 5 )÷74
45 × 20 × 3
(270 + 180)÷(30 - 15)

小学五年级小数简便运算题150道

(1)6.28+13.75+3.72
(2)42.5-16.12-5.88
(3)45.6-(15.6+12.72)
13.75+(6.28+3.72)
42.5-(16.12+5.88)
45.6-15.6-12.72

求300道小学五年级加减混合运算题

只有20道
1、2/1+3/1+5/2
2、5/4+10/1-20/3
3、8/7-12/5+6/1
4、6/5+10/3-15/8
5、4/3-(6/5-8/3)
6、9/1+(8/7-4/1)
7、10/1+4/1+15/2
8、12/5+6/5-4/1
9、4/3-5/2+15/7
10、1-9/2-6/1
11、24/23-3/1-12/7
12、5/2+7/3+35/1
13、3/1+6/1+9/4
14、2/1-4/1-8/1
15、6/5-4/3+24/5
16、8/5+4/1-12/5
17、5/4-(10/1+2/1)
18、10/9-(5/2-6/1)
19,8/7-4/1-2/1
20,21/20-7/2-31
以上回答你满意么?

求小学五年级分数四则混合运算题

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
70.32.52-(6+9.728÷3.2)×2.5
71.[(7.1-5.6)×0.9-1.15] ÷2.5
72.5.4÷[2.6×(3.7-2.9)+0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02-(148.4-90.85)÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
2) 89+456-78
3) 5%+. 3/7 × 49/9 - 4/3
4) 9 × 15/36 + 1/27
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 + 1/4
7) 94÷ 3/8 – 3/8 ÷6
8) 95/7 × 5/9 + 3/7 × 5/9
9) 6/2 -( 3/2 + 4/5 )
10) 8 + ( 1/8 + 1/9 )
11) 8 × 5/6 + 5/6
12) 1/4 × 8/9 - 1/3
13) 10 × 5/49 + 3/14
14) 1.5 ×( 1/2 + 2/3 )
15) 2/9 × 4/5 + 8 × 11/5
16) 3.1 × 5/6 – 5/6
17) 4/7 - ( 2/7 – 10/21 )
18) 19 × 18 – 14 × 2/7
19) 5 × 25/16 + 2/3 × 3/4
20) 4 × 8/7 – 5/6 × 12/15
21) 7/32 – 3/4 × 9/24
22) 1、 2/3÷1/2-1/4×2/5
2、 2-6/13÷9/26-2/3
3、 2/9+1/2÷4/5+3/8
4、 10÷5/9+1/6×4
5、 1/2×2/5+9/10÷9/20
6、 5/9×3/10+2/7÷2/5
7、 1/2+1/4×4/5-1/8
8、 3/4×5/7×4/3-1/2
9、 23-8/9×1/27÷1/27
10、 8×5/6+2/5÷4
11、 1/2+3/4×5/12×4/5
12、 8/9×3/4-3/8÷3/4
13、 5/8÷5/4+3/23÷9/11
23) 1.2×2.5+0.8×2.5
24) 8.9×1.25-0.9×1.25
25) 12.5×7.4×0.8
26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5
0.35×1.6+0.35×3.4
0.25×8.6×4
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9×3-(25-2.5)2×41846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-(3.07+3.65)
(4+0.4×0.25)8×7×1.25
1.65×99+1.65
27.85-(7.85+3.4)
48×1.25+50×1.25×0.2×8
7.8×9.9+0.78
(1010+309+4+681+6)×12
3×9146×782×6×854
5.15×7/8+6.1-0.60625
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6
102×4.5
7.8×6.9+2.2×6.9
5.6×0.25
8×(20-1.25)
1)127+352+73+44 (2)89+276+135+33
(1)25+71+75+29 +88 (2)243+89+111+57
9405-2940÷28×21
920-1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2100-94+48×54
51+(2304-2042)×23
4215+(4361-716)÷81
(247+18)×27÷25
36-720÷(360÷18)
1080÷(63-54)×80
(528+912)×5-6178
8528÷41×38-904
264+318-8280÷69
(174+209)×26- 9000
814-(278+322)÷15
1406+735×9÷45
3168-7828÷38+504
796-5040÷(630÷7)
285+(3000-372)÷36
1+5/6-19/12
3x(-9)+7x(-9
(-54)x1/6x(-1/3)
1.18.1+(3-0.299÷0.23)×1
2.(6.8-6.8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.8
4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
5.6-1.6÷4= 5.38+7.85-5.37=
6.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×(3.87-0.13)+4.2×3.74
10.32.52-(6+9.728÷3.2)×2.5
11.[(7.1-5.6)×0.9-1.15] ÷2.5
12.5.4÷[2.6×(3.7-2.9)+0.62]
13.12×6÷(12-7.2)-6
14.12×6÷7.2-6
15.33.02-(148.4-90.85)÷2.5

小学五年级简便运算题

  1. 你发下照片看看

  2. 不然我们这边没有办法解答的

小学五年级小数简便运算

1)3643-74+6357-76
(2)39×24+39×46+39×30
(3)108×35
(4)345×98
(5)25×64×125×5
(6)8500÷25
(7)94×73+27×94
(8)125×79
(9)1.2×99
(10)9÷0.25
(11)4.7×5.9+5.2×4.7-4.7×0.1
(12)3.6×2.4+36×0.76
(13)(3.25×7+3.25)×0.125
(14)37.5÷8÷1.25
(15)1.11-8.5×(7.1-0.11)×0

小学五年级混合运算70道

我每次给你20道,快点追问好吗
1.30×5-30×2
2.0.0625×0.125×2
3.52+16×25÷2.003
4.【(12+60)-14】×2
5.30×13-30×15+30×2
6.15+6×5÷2
7.15÷2+3-41+25+75.009
8.15+63×5.215-0.375×2
9.2.128-2.125×8
10.2.15+3.25×6.75÷2
11.9:30-7:55(时间计算,也就是用六十进位制计算,接下来12~14都是这样)
12.18:50-9:59
13.17:01-23:15(计算出来的是前一天的某一个时刻,下一题都是这样)
14.19:25-0:15
15.5.28-11.96-(5.49+3.25)
16.15.702+30.58-16.65×(56+92.3-14)
17.3.14×59.66
18.301+300×19(用简便方法计算,接下来的都是这样)
19.3.14×19
20.17×99

注意:最前面的数字不要看成一个小数的整数部分,那是题号。



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#谈贵昆# 小学五年级简便计算题 -
(15660413755): 36 *( 1/2 + 2/3 ) 37 * 5/8 + 5 * 3/8 7/19 + 12/19 * 5/6

#谈贵昆# 五年级数学简便计算练习卷 - 作业帮
(15660413755):[答案] 五年级数学简便计算练习卷 下面各题怎样算简便就怎样算. 6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0....

#谈贵昆# 小学五年级200道简便计算 -
(15660413755): 3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.57.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7) 3.29+0.73-2.29+2.27 3.29*0.25*4 0.125*8.8 0.25*0.28 0.125*3.2*2.5 35*40.2 0.25*4÷0.25*4 3.5*9.9 3.5*99+3.5 3.5*101-3.5 3.5*9.9+3.5*0.1...

#谈贵昆# 五年级数学简便运算
(15660413755): 7.6*7.3+1.9*4*7.3 =7.6*7.3+7.6*7.3 =7.6*14.6 =7*14+(7+14)*0.6+0.36 =98+12+0.96 =110.96

#谈贵昆# 小学五年级小数的简便运算:(1+0.2+0.3+0.4)x(0.2+0.3+0.4+0.5)x(0.2+0.3+0.4) - 作业帮
(15660413755):[答案] 设a=0.2+0.3+0.4+0.5=1.4 原式=(a+0.5)*a*(a-0.5) =(a²-0.5²)*a =1.4³-0.25*1.4 =2.394 出题的真坑人啊,一点都不简便

#谈贵昆# 小学五年级数学 求一条简便方法计算共四题小学五年级数学 求一条简便方法计算 第一题 18.1+(3 - 0.299÷0.23)x1 第二题 3.2X(1.5+2.5)÷1.6第三题 (6.8 - 6.8X... - 作业帮
(15660413755):[答案] 第一题 18.1+(3-0.299÷0.23)x1=18.1+3-0.23*1.3÷0.23=21.1-1.3=19.8第二题 3.2X(1.5+2.5)÷1.6 =4*3.2÷1.6=4*2=8第三题 (... (3.2X1.5+2.5)÷1.6=3.2*1.5÷1.6+2.5÷1.6或=﹙3.2*3*0.5+5*0.5﹚÷1.6只能提供思路,应该不能再简便了,不好意思.

#谈贵昆# 小学五年级简便运算题(含过程) -
(15660413755): 1、(36*75*42*102)÷(15*4*7*51)提示:去括号 2、1/2-1/4-1/8-1/16-1/32-1/64-1/128 提示:前项是后项的两倍 3、9999*0.78+3333*0.66 提示:0.66=0.22*3 4.121121121121÷212121212121*121212121212÷212212212212 提示121121121121=121*1001001001 212121212121=21*10101010101 121212121212=12*10101010101 212212212212=212*1001001001

#谈贵昆# 求个小学五年级数学的简便算法0.8*[(5 - 0.68)÷1.2] - 作业帮
(15660413755):[答案] =0.8*[4.32/1.2] =0.8*3.6 =2.88

#谈贵昆# 谁知道小学五年级的简便计算啊,要六十道 -
(15660413755): (a+b)+ c = a +(b+c)1. 2.73 + 0.89 + 1.272. 4.37 + 0.28 + 1.63 + 5.72 a-b-c = a -(b+c)1. 10 - 0.432 - 2.568 2. 9.3 - 5.26 - 2.74 3. 13...

#谈贵昆# 5年级数学简便算法题 -
(15660413755): (1)2.5*32*0.125=(2.5*4)*(8*0.125)=10*1=10(2)3.5-7+6.5=3.5+6.5-7=3(3)1.2*2.5+0.8*2.5 =2.5(1.2+0.8)=25(4)8.9*1.25-0.9*1.25 =1.25(8.9-0.9)=10(5)12.5*7.4*0.8 =12.5*0.8*7.4=74(6)6.5*9.5+6.5*0.5 =6.5*(9.5+0.5)=6.5*10=65_______风音3086