小数加减口算.docx
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小数加减口算.docx
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小数加减口算
【从教多年的心血】
500道四年级下册小数加减
口算、竖式计算
题目以及相应答案
8.89-2.45
8.89-2.45
=
6.44
12-4.5
12-4.5
=
7.5
5.51+14.84
5.51+14.84
=
20.35
13.96+66.89
13.96+66.89
=
80.85
58.2-45.24
58.2-45.24
=
12.96
5.68+6.7
5.68+6.7
=
12.38
14.3-9.22
14.3-9.22
=
5.08
13-1.11
13-1.11
=
11.89
7.9+8.29
7.9+8.29
=
16.19
50.7+59.96
50.7+59.96
=
110.66
17.24-15.63
17.24-15.63
=
1.61
3.78+7.78
3.78+7.78
=
11.56
7.67-1.74
7.67-1.74
=
5.93
10-3.8
10-3.8
=
6.2
17.72+3.08
17.72+3.08
=
20.8
13.56+60.68
13.56+60.68
=
74.24
27.53-21.82
27.53-21.82
=
5.71
9.15+5.89
9.15+5.89
=
15.04
4.04-1.39
4.04-1.39
=
2.65
17-8.53
17-8.53
=
8.47
19.5+10.02
19.5+10.02
=
29.52
80.22+70.37
80.22+70.37
=
150.59
55.57-8.98
55.57-8.98
=
46.59
5.88+5.21
5.88+5.21
=
11.09
6.37-2.6
6.37-2.6
=
3.77
16-7.96
16-7.96
=
8.04
2.08+11.11
2.08+11.11
=
13.19
69.02+63.14
69.02+63.14
=
132.16
60.75-58.38
60.75-58.38
=
2.37
2.27+7.76
2.27+7.76
=
10.03
15.95-8.26
15.95-8.26
=
7.69
10-4.03
10-4.03
=
5.97
6.13+17.57
6.13+17.57
=
23.7
70.07+71.45
70.07+71.45
=
141.52
110.04-58.38
110.04-58.38
=
51.66
6.1+7.07
6.1+7.07
=
13.17
10.77-8.65
10.77-8.65
=
2.12
15-2.66
15-2.66
=
12.34
13.93+10.67
13.93+10.67
=
24.6
49.87+75.28
49.87+75.28
=
125.15
58.79-17.05
58.79-17.05
=
41.74
9.89+3.69
9.89+3.69
=
13.58
18-8.1
18-8.1
=
9.9
19-9.59
19-9.59
=
9.41
6.67+3.04
6.67+3.04
=
9.71
72.17+7.06
72.17+7.06
=
79.23
53.46-29.27
53.46-29.27
=
24.19
8.68+1.02
8.68+1.02
=
9.7
13.39-9.81
13.39-9.81
=
3.58
16-9.91
16-9.91
=
6.09
3.94+16.26
3.94+16.26
=
20.2
84.79+33.9
84.79+33.9
=
118.69
76.16-36.8
76.16-36.8
=
39.36
9.78+6.05
9.78+6.05
=
15.83
5.58-1.42
5.58-1.42
=
4.16
17-5.96
17-5.96
=
11.04
19.33+12.37
19.33+12.37
=
31.7
65.06+8.84
65.06+8.84
=
73.9
67.47-26.12
67.47-26.12
=
41.35
6.67+9.75
6.67+9.75
=
16.42
10.2-3.92
10.2-3.92
=
6.28
13-1.68
13-1.68
=
11.32
15.22+11.22
15.22+11.22
=
26.44
6.6+85.15
6.6+85.15
=
91.75
118.15-56.98
118.15-56.98
=
61.17
8.82+8.74
8.82+8.74
=
17.56
14.86-9.9
14.86-9.9
=
4.96
11-7.61
11-7.61
=
3.39
10.12+15.15
10.12+15.15
=
25.27
55.67+58.25
55.67+58.25
=
113.92
61.75-6.58
61.75-6.58
=
55.17
8.02+8.33
8.02+8.33
=
16.35
9.73-7.91
9.73-7.91
=
1.82
13-5.77
13-5.77
=
7.23
3.26+6.92
3.26+6.92
=
10.18
2.51+89.29
2.51+89.29
=
91.8
103.42-50.92
103.42-50.92
=
52.5
6.08+4.61
6.08+4.61
=
10.69
5.65-1.85
5.65-1.85
=
3.8
17-8.43
17-8.43
=
8.57
15.24+2.84
15.24+2.84
=
18.08
73.99+16.68
73.99+16.68
=
90.67
55.5-39.11
55.5-39.11
=
16.39
2.63+4.23
2.63+4.23
=
6.86
14.52-6.82
14.52-6.82
=
7.7
16-5.66
16-5.66
=
10.34
1.66+18.13
1.66+18.13
=
19.79
50.82+20.23
50.82+20.23
=
71.05
49.62-16.86
49.62-16.86
=
32.76
9.69+9.21
9.69+9.21
=
18.9
5.82-3.12
5.82-3.12
=
2.7
19-9.47
19-9.47
=
9.53
19.47+8.18
19.47+8.18
=
27.65
29.95+39.87
29.95+39.87
=
69.82
68.1-43.05
68.1-43.05
=
25.05
3.37+5.48
3.37+5.48
=
8.85
14.88-7.8
14.88-7.8
=
7.08
16-7.67
16-7.67
=
8.33
7.3+4.57
7.3+4.57
=
11.87
69.17+11.42
69.17+11.42
=
80.59
77.93-13.36
77.93-13.36
=
64.57
9.16+1.43
9.16+1.43
=
10.59
8.35-3.75
8.35-3.75
=
4.6
18-9.59
18-9.59
=
8.41
13.48+12.85
13.48+12.85
=
26.33
73.67+23.15
73.67+23.15
=
96.82
81.48-53.03
81.48-53.03
=
28.45
7.29+9.1
7.29+9.1
=
16.39
11.47-2.66
11.47-2.66
=
8.81
12-6.43
12-6.43
=
5.57
15.32+8.26
15.32+8.26
=
23.58
63.11+54.27
63.11+54.27
=
117.38
77.94-22.94
77.94-22.94
=
55
3.6+1.82
3.6+1.82
=
5.42
9.79-4.64
9.79-4.64
=
5.15
14-1.81
14-1.81
=
12.19
19.93+19.33
19.93+19.33
=
39.26
44.84+58.47
44.84+58.47
=
103.31
109.65-54.22
109.65-54.22
=
55.43
4.21+8.65
4.21+8.65
=
12.86
15.71-7.73
15.71-7.73
=
7.98
13-4.19
13-4.19
=
8.81
1.91+18.47
1.91+18.47
=
20.38
10.23+26.43
10.23+26.43
=
36.66
37.47-9.9
37.47-9.9
=
27.57
5.08+7.87
5.08+7.87
=
12.95
6.77-2.62
6.77-2.62
=
4.15
14-8.32
14-8.32
=
5.68
12.73+14.55
12.73+14.55
=
27.28
5.07+58.23
5.07+58.23
=
63.3
62.35-7.56
62.35-7.56
=
54.79
4.7+2.78
4.7+2.78
=
7.48
13.16-5.71
13.16-5.71
=
7.45
15-4.56
15-4.56
=
10.44
2.62+8.76
2.62+8.76
=
11.38
55.17+21.05
55.17+21.05
=
76.22
52.36-29.03
52.36-29.03
=
23.33
9.14+3.4
9.14+3.4
=
12.54
10.69-1.6
10.69-1.6
=
9.09
18-5.21
18-5.21
=
12.79
15.53+17.6
15.53+17.6
=
33.13
8.76+37.05
8.76+37.05
=
45.81
129.75-56
129.75-56
=
73.75
8.22+5.35
8.22+5.35
=
13.57
11.67-6.75
11.67-6.75
=
4.92
18-9.28
18-9.28
=
8.72
16.31+11.09
16.31+11.09
=
27.4
1.44+39.61
1.44+39.61
=
41.05
81.61-32.9
81.61-32.9
=
48.71
9.61+3.24
9.61+3.24
=
12.85
13.73-6.95
13.73-6.95
=
6.78
17-6.68
17-6.68
=
10.32
1.03+7.78
1.03+7.78
=
8.81
13.24+38.55
13.24+38.55
=
51.79
78.62-30.29
78.62-30.29
=
48.33
9.43+8.34
9.43+8.34
=
17.77
9.43-2.69
9.43-2.69
=
6.74
19-1.65
19-1.65
=
17.35
4.81+17.29
4.81+17.29
=
22.1
7.27+71.36
7.27+71.36
=
78.63
135.3-56.76
135.3-56.76
=
78.54
6+1.22
6+1.22
=
7.22
11.17-7.53
11.17-7.53
=
3.64
12-9.11
12-9.11
=
2.89
8+10.45
8+10.45
=
18.45
17.96+78.15
17.96+78.15
=
96.11
85.7-16.59
85.7-16.59
=
69.11
9.21+5.35
9.21+5.35
=
14.56
15.95-7.23
15.95-7.23
=
8.72
13-9.61
13-9.61
=
3.39
6.67+6.85
6.67+6.85
=
13.52
57.93+80.75
57.93+80.75
=
138.68
49.44-14.14
49.44-14.14
=
35.3
9.47+7.49
9.47+7.49
=
16.96
16.03-9.95
16.03-9.95
=
6.08
14-2.33
14-2.33
=
11.67
6.59+15.32
6.59+15.32
=
21.91
55.44+24.13
55.44+24.13
=
79.57
17.27-14.91
17.27-14.91
=
2.36
2.64+4.76
2.64+4.76
=
7.4
17.9-9.99
17.9-9.99
=
7.91
18-3.93
18-3.93
=
14.07
3.06+19.92
3.06+19.92
=
22.98
8.77+80.48
8.77+80.48
=
89.25
70.16-46.97
70.16-46.97
=
23.19
4.5+6.95
4.5+6.95
=
11.45
10.26-4.85
10.26-4.85
=
5.41
10-2.64
10-2.64
=
7.36
12.09+2.69
12.09+2.69
=
14.78
58.87+40.07
58.87+40.07
=
98.94
33.25-23.34
33.25-23.34
=
9.91
8.55+2.12
8.55+2.12
=
10.67
9.81-7.03
9.81-7.03
=
2.78
13-7.79
13-7.79
=
5.21
6.69+10.92
6.69+10.92
=
17.61
85.36+29.88
85.36+29.88
=
115.24
134.45-48.67
134.45-48.67
=
85.78
4.29+1.4
4.29+1.4
=
5.69
11.22-3.32
11.22-3.32
=
7.9
11-5.75
11-5.75
=
5.25
4.43+5.14
4.43+5.14
=
9.57
36.96+46.05
36.96+46.05
=
83.01
114.56-53.3
114.56-53.3
=
61.26
7.41+2.13
7.41+2.13
=
9.54
14.36-4.91
14.36-4.91
=
9.45
11-3.11
11-3.11
=
7.89
5.87+13.62
5.87+13.62
=
19.49
31.26+39.63
31.26+39.63
=
70.89
81.28-34.58
81.28-34.58
=
46.7
2.15+6.62
2.15+6.62
=
8.77
8.39-6.95
8.39-6.95
=
1.44
11-1.9
11-1.9
=
9.1
11.81+7.2
11.81+7.2
=
19.01
82.01+26.18
82.01+26.18
=
108.19
94.34-9.79
94.34-9.79
=
84.55
3.69+2.12
3.69+2.12
=
5.81
4.19-2.23
4.19-2.23
=
1.96
12-1.55
12-1.55
=
10.45
14.11+2.21
14.11+2.21
=
16.32
41.13+46.29
41.13+46.29
=
87.42
99.36-51.25
99.36-51.25
=
48.11
7.39+7.89
7.39+7.89
=
15.28
13.54-5.77
13.54-5.77
=
7.77
14-1.71
14-1.71
=
12.29
16.34+4.77
16.34+4.77
=
21.11
17.85+3.57
17.85+3.57
=
21.42
92.58-54.88
92.58-54.88
=
37.7
4.28+8.33
4.28+8.33
=
12.61
19.2-9.32
19.2-9.32
=
9.88
12-6.9
12-6.9
=
5.1
2+19.43
2+19.43
=
21.43
48.98+48.55
48.98+48.55
=
97.53
121.11-34.71
121.11-34.71
=
86.4
8.72+2.71
8.72+2.71
=
11.43
13.19-3.87
13.19-3.87
=
9.32
17-3.41
17-3.41
=
13.59
15+17.06
15+17.06
=
32.06
68.28+75.5
68.28+75.5
=
143.78
46.14-33.5
46.14-33.5
=
12.64
3.05+6.81
3.05+6.81
=
9.86
10.47-2.94
10.47-2.94
=
7.53
11-6.3
11-6.3
=
4.7
2.6+10
2.6+10
=
12.6
80.47+77.14
80.47+77.14
=
157.61
83.85-44.92
83.85-44.92
=
38.93
6.8+5.19
6.8+5.19
=
11.99
8.97-5.68
8.97-5.68
=
3.29
18-9.13
18-9.13
=
8.87
10.32+10.8
10.32+10.8
=
21.12
83.24+76.58
83.24+76.58
=
159.82
35.93-4.58
35.93-4.58
=
31.35
1.38+3.66
1.38+3.66
=
5.04
5.46-2.79
5.46-2.79
=
2.67
17-9.14
17-9.14
=
7.86
14.4+14.73
14.4+14.73
=
29.13
41.38+11.25
41.38+11.25
=
52.63
72.35-18.02
72.35-18.02
=
54.33
2.45+4.72
2.45+4.72
=
7.17
12.74-4.26
12.74-4.26
=
8.48
18-4.23
18-4.23
=
13.77
13.08+5.99
13.08+5.99
=
19.07
86.55+6.97
86.55+6.97
=
93.52
93.31-48.98
93.31-48.98
=
44.33
3.35+6.03
3.35+6.03
=
9.38
7.36-2.51
7.36-2.51
=
4.85
10-4.7
10-4.7
=
5.3
8.99+12.83
8.99+12.83
=
21.82
40.08+35.72
40.08+35.72
=
75.8
122.88-54.68
122.88-54.68
=
68.2
1.47+5.16
1.47+5.16
=
6.63
14.56-5.07
14.56-5.07
=
9.49
16-8.92
16-8.92
=
7.08
18.39+3.09
18.39+3.09
=
21.48
52.91+6.29
52.91+6.29
=
59.2
108.41-21.44
108.41-21.44
=
86.97
1.96+5.55
1.96+5.55
=
7.51
11.34-7.73
11.34-7.73
=
3.61
13-2.47
13-2.47
=
10.53
13.4+14.56
13.4+14.56
=
27.96
72.9+16.96
72.9+16.96
=
89.86
74.84-16.08
74.84-16.08
=
58.76
4.29+8.79
4.29+8.79
=
13.08
12.26-9.23
12.26-9.23
=
3.03
16-2.15
16-2.15
=
13.85
4.19+9.96
4.19+9.96
=
14.15
88.5+80.55
88.5+80.55
=
169.05
104.03-32.14
104.03-32.14
=
71.89
8.17+4.98
8.17+4.98
=
13.15
14.43-6.65
14.43-6.65
=
7.78
14-7.39
14-7.39
=
6.61
2.13+17.87
2.13+17.87
=
20
26.56+60.07
26.56+60.07
=
86.63
93.03-26.88
93.03-26.88
=
66.15
8.04+8.08
8.04+8.08
=
16.12
16.05-7.78
16.05-7.78
=
8.27
11-7.97
11-7.97
=
3.03
1.99+11.04
1.99+11.04
=
13.03
21.88+26.71
21.88+26.71
=
48.59
4.56-1
4.56-1
=
3.56
7.05+7.05
7.05+7.05
=
14.1
5.82-3.34
5.82-3.34
=
2.48
13-7.33
13-7.33
=
5.67
12.41+9.51
12.41+9.51
=
21.92
50.62+26.67
50.62+26.67
=
77.29
126.85-50.82
126.85-50.82
=
76.03
5.64+8.2
5.64+8.2
=
13.84
13.98-5.88
13.98-5.88
=
8.1
18-2.78
18-2.78
=
15.22
2.26+15.17
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