Question

谁能帮我出50道四年级下册数学题，最好是四则混合运算，带小数的

Answer 1

简单的带2位小数：
84.53 + 33.73 =
59.19 - 19.93 =
81.24 / 47.07 =
72.10 / 36.86 =
93.83 / 56.28 =
28.26 / 10.31 =
43.68 / 42.07 =
82.90 + 52.74 =
65.54 * 8.28 =
51.28 / 39.48 =
23.82 * 15.37 =
47.59 * 45.93 =
74.69 / 21.46 =
89.24 - 29.93 =
25.20 + 20.89 =
72.48 + 70.21 =
25.59 * 0.44 =
29.21 - 23.25 =
98.33 - 34.04 =
71.81 * 28.34 =
95.52 / 20.80 =
79.61 + 51.16 =
64.66 * 34.88 =
43.11 + 22.31 =
89.38 / 45.34 =
95.93 - 39.17 =
65.91 + 40.74 =
5.43 + 4.37 =
69.58 + 3.89 =
43.45 + 10.20 =
94.09 * 52.70 =
71.64 + 57.14 =
22.37 + 16.34 =
74.59 + 58.95 =
92.51 / 24.59 =
55.28 + 48.27 =
81.82 - 55.16 =
76.59 / 57.82 =
55.19 - 48.62 =
92.50 / 64.66 =
50.19 / 45.69 =
88.02 - 74.46 =
59.88 + 10.80 =
97.76 / 27.19 =
17.15 + 2.07 =
63.07 / 55.97 =
37.08 - 12.35 =
83.73 / 2.78 =
95.91 + 88.72 =
86.04 - 60.94 =
复杂2位小数：
97.63 * 67.71 + 85.38 + 71.81 =
83.84 / 45.71 - 22.75 - 95.70 =
32.22 - 78.19 + 78.25 + 74.65 =
40.00 - 47.78 / 82.38 * 46.23 =
68.80 - 39.49 + 72.04 - 25.28 =
31.02 / 45.56 / 78.15 + 4.61 =
79.00 / 63.97 * 45.92 / 79.60 =
58.13 / 61.62 / 97.00 + 45.26 =
86.89 - 26.97 / 70.61 + 78.65 =
99.66 / 30.91 + 76.21 - 6.74 =
67.07 * 0.85 + 1.21 * 17.55 =
60.56 * 34.64 * 58.40 / 16.32 =
51.66 * 78.21 + 23.63 - 42.27 =
59.40 + 84.15 * 40.31 - 56.38 =
83.87 / 36.05 - 33.03 + 69.11 =
85.81 + 31.41 / 75.69 - 96.59 =
2.03 / 53.38 * 56.86 + 25.02 =
48.23 - 43.58 * 74.15 * 29.29 =
95.17 + 16.68 + 10.39 - 73.96 =
84.50 / 93.13 - 33.81 - 38.38 =
41.84 + 18.67 - 21.18 + 3.06 =
56.10 + 42.80 + 49.37 + 90.62 =
42.84 + 13.61 / 94.67 * 93.33 =
95.34 - 15.93 / 93.11 / 33.89 =
34.68 + 45.94 + 43.80 + 42.27 =
25.79 - 44.15 * 89.42 * 4.07 =
36.49 / 28.52 - 33.62 * 63.06 =
55.25 + 43.19 + 10.26 + 97.30 =
34.71 + 42.82 * 19.89 + 77.45 =
22.58 * 37.16 * 46.24 - 39.75 =
55.15 * 48.00 * 0.04 - 92.70 =
11.74 * 95.39 * 44.22 * 46.54 =
55.58 + 71.67 * 63.68 * 99.35 =
75.32 + 65.35 * 6.03 * 82.34 =
97.23 * 65.76 - 86.58 / 12.45 =
4.79 / 39.74 * 74.39 / 32.03 =
13.29 / 21.55 - 72.27 * 70.21 =
63.91 - 33.69 - 72.45 + 31.73 =
85.61 - 72.93 + 13.73 / 88.03 =
56.84 * 26.48 / 43.18 - 61.30 =
7.89 - 74.58 + 36.99 + 79.81 =
23.24 - 35.33 - 59.09 / 26.05 =
50.61 + 17.38 * 50.13 / 13.12 =
52.46 + 91.12 / 42.50 + 67.00 =
36.14 / 57.52 / 65.10 / 67.65 =
49.77 / 18.94 + 78.64 - 1.31 =
76.24 + 55.70 / 83.60 - 51.08 =
4.33 + 40.29 * 92.67 - 61.01 =
50.44 / 90.61 / 50.04 + 71.98 =
35.63 + 97.81 + 43.79 + 33.37 =
简单带一位小数：
57.3 - 29.2 =
98.6 / 51.1 =
89.9 - 30.4 =
44.8 * 5.0 =
99.8 / 17.7 =
80.9 + 75.1 =
76.6 * 24.9 =
90.7 + 87.2 =
33.3 + 31.1 =
88.6 + 18.3 =
52.9 * 35.2 =
92.8 * 67.4 =
99.0 * 63.0 =
15.8 / 9.3 =
66.8 - 54.0 =
76.3 / 2.7 =
73.6 + 37.2 =
80.1 / 45.6 =
47.2 / 7.9 =
61.6 / 12.7 =
86.5 / 11.5 =
86.6 - 21.5 =
26.1 / 24.8 =
84.3 * 67.7 =
61.7 + 22.7 =
76.6 / 14.2 =
76.8 - 61.0 =
32.7 / 4.9 =
98.4 - 1.0 =
83.0 * 79.6 =
97.7 - 26.2 =
58.2 / 46.1 =
70.8 - 38.1 =
54.8 / 28.4 =
74.8 + 41.5 =
70.3 / 5.9 =
48.8 / 13.8 =
71.7 - 14.6 =
28.9 + 17.6 =
98.7 / 37.0 =
65.6 + 15.4 =
71.4 + 68.0 =
24.0 + 14.5 =
64.6 / 8.3 =
18.4 / 4.8 =
86.0 - 83.1 =
80.8 - 34.7 =
94.0 + 89.2 =
89.3 + 79.3 =
74.2 / 25.5 =
复杂带一位小数：
33.4 - 34.4 * 75.7 - 100.0 =
51.7 - 4.3 * 39.2 + 5.4 =
4.2 / 47.7 / 79.9 + 34.7 =
25.2 * 42.7 / 73.7 * 18.1 =
47.9 + 0.0 * 1.3 / 82.6 =
75.0 + 72.4 / 40.1 - 7.3 =
43.3 * 56.2 - 33.4 - 96.8 =
18.7 * 1.1 / 78.2 / 83.9 =
36.5 * 51.5 - 85.1 + 3.9 =
9.5 * 43.4 + 56.2 / 82.2 =
52.1 / 88.5 / 41.2 - 26.4 =
59.0 - 11.2 / 91.3 / 9.4 =
87.1 / 20.2 - 54.9 * 6.5 =
2.1 + 20.8 * 29.6 + 59.2 =
54.6 + 96.3 - 1.4 * 97.0 =
26.1 + 13.6 - 93.3 * 2.9 =
63.6 + 96.4 - 67.6 + 20.2 =
60.1 / 26.3 - 34.4 - 93.8 =
48.8 / 2.9 * 99.3 - 66.1 =
37.9 * 72.9 + 59.5 + 78.0 =
21.9 * 45.4 * 14.1 * 40.2 =
5.9 * 26.4 * 14.4 + 6.6 =
24.9 + 93.5 - 27.2 * 54.4 =
74.5 + 55.7 / 40.7 + 35.4 =
14.9 + 98.6 - 69.9 + 20.5 =
85.6 * 68.7 - 82.3 * 20.5 =
45.3 - 13.2 - 18.2 * 74.2 =
89.8 / 91.0 * 23.8 - 71.7 =
93.8 / 91.8 * 28.7 + 62.4 =
44.4 / 38.5 * 87.6 + 83.3 =
83.2 / 35.4 / 97.2 - 35.1 =
22.5 / 96.8 * 72.9 * 1.8 =
87.5 * 66.3 - 74.0 / 28.1 =
3.6 * 32.3 / 61.3 / 90.5 =
98.1 - 44.3 / 47.0 + 17.5 =
3.6 + 37.5 + 91.6 - 77.0 =
48.2 + 90.9 + 30.3 / 98.8 =
49.1 + 52.2 - 44.2 * 16.9 =
70.9 / 4.2 / 98.3 / 53.5 =
42.1 + 35.1 * 29.4 * 3.6 =
68.8 / 3.5 + 2.8 + 42.4 =
57.7 / 54.8 + 1.5 - 36.3 =
46.3 + 62.8 / 89.4 / 11.7 =
49.3 * 83.3 / 87.1 + 6.4 =
26.2 - 5.6 + 43.8 + 38.0 =
54.7 * 36.6 - 17.1 - 45.1 =
22.7 + 58.5 * 98.1 + 27.7 =
38.0 * 12.8 / 54.2 + 46.0 =
69.3 - 76.4 - 91.2 + 45.3 =
7.8 + 14.1 - 52.8 - 20.1 =

Answer 2

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）