六年级上册数学口算题小数,分数乘除法四百道

2020-05-26 社会 514阅读
0.45 × 4 = 1.8
0.75 × 4.3 = 3.225
1.05 × 4.6 = 4.83
1.35 × 4.9 = 6.615
1.65 × 5.2 = 8.58
1.95 × 5.5 = 10.725
2.25 × 5.8 = 13.05
2.55 × 6.1 = 15.555
2.85 × 6.4 = 18.24
3.15 × 6.7 = 21.105
3.45 × 7 = 24.15
3.75 × 7.3 = 27.375
4.05 × 7.6 = 30.78
4.35 × 7.9 = 34.365
4.65 × 8.2 = 38.13
4.95 × 8.5 = 42.075
5.25 × 8.8 = 46.2
5.55 × 9.1 = 50.505
5.85 × 9.4 = 54.99
6.15 × 9.7 = 59.655
6.45 × 10 = 64.5
6.75 × 10.3 = 69.525
7.05 × 10.6 = 74.73
7.35 × 10.9 = 80.115
7.65 × 11.2 = 85.68
7.95 × 11.5 = 91.425
8.25 × 11.8 = 97.35
8.55 × 12.1 = 103.455
8.85 × 12.4 = 109.74
9.15 × 12.7 = 116.205
9.45 × 13 = 122.85
9.75 × 13.3 = 129.675
10.05 × 13.6 = 136.68
10.35 × 13.9 = 143.865
10.65 × 14.2 = 151.23
1/5 × 35 = 7
2/3 × 0.43 = 2/7
4/9 × 0.5 = 2/9
2/7 × 21 = 6
3/5 × 15 = 9
4/11 × 22 = 8
3/16 × 32 = 6
2/15 × 3 = 2/5
3/14 × 0.7 = 1/7
5/16 × 3.2 = 1
8/15 × 5.7 = 3
9/16 × 1.5 = 5/6
7/18 × 0.6 = 1/4
11/12 × 0.6 = 5/9
15/16 × 0.24 = 2/9
12/17 × 0.34 = 1/4
10/13 × 0.26 = 1/5
2/3 × 15 = 10
11/15 × 0.15 = 1/9
4/9 × 0.45 = 1/5
8/9 × 0.81 = 5/7
1/3 × 15 = 5
1/4 × 1.2 = 2/7
5/8 × 0.64 = 2/5
3/5 × 1.5 = 8/9
3/4 × 0.8 = 3/5
5/6 × 0.32 = 1/4
3/4 × 0.8 = 3/5
4 - 0.45 = 3.55
4.3 - 0.8 = 3.5
4.6 - 1.15 = 3.45
4.9 - 1.5 = 3.4
5.2 - 1.85 = 3.35
5.5 - 2.2 = 3.3
5.8 - 2.55 = 3.25
6.1 - 2.9 = 3.2
6.4 - 3.25 = 3.15
6.7 - 3.6 = 3.1
7 - 3.95 = 3.05
7.3 - 4.3 = 3
7.6 - 4.65 = 2.95
7.9 - 5 = 2.9
8.2 - 5.35 = 2.85
8.5 - 5.7 = 2.8
8.8 - 6.05 = 2.75
9.1 - 6.4 = 2.7
9.4 - 6.75 = 2.65
9.7 - 7.1 = 2.6
10 - 7.45 = 2.55
10.3 - 7.8 = 2.5
10.6 - 8.15 = 2.45
10.9 - 8.5 = 2.4
11.2 - 8.85 = 2.35
11.5 - 9.2 = 2.3
11.8 - 9.55 = 2.25
12.1 - 9.9 = 2.2
8.5 + 5.7 = 14.2
8.8 + 6.05 = 14.85
9.1 + 6.4 = 15.5
9.4 + 6.75 = 16.15
9.7 + 7.1 = 16.8
10 + 7.45 = 17.45
10.3 + 7.8 = 18.1
10.6 + 8.15 = 18.75
10.9 + 8.5 = 19.4
11.2 + 8.85 = 20.05
11.5 + 9.2 = 20.7
11.8 + 9.55 = 21.35
12.1 + 9.9 = 22
4 + 0.45 = 4.45
4.3 + 0.8 = 5.1
4.6 + 1.15 = 5.75
4.9 + 1.5 = 6.4
5.2 + 1.85 = 7.05
5.5 + 2.2 = 7.7
5.8 + 2.55 = 8.35
6.1 + 2.9 = 9
6.4 + 3.25 = 9.65
6.7 + 3.6 = 10.3
7 + 3.95 = 10.95
7.3 + 4.3 = 11.6
7.6 + 4.65 = 12.25
7.9 + 5 = 12.9
8.2 + 5.35 = 13.55
1/2 × 7/8 = 7/16 2/3 × 5/12= 5/18 1/3 × 9/10= 3/10 2/3 × 2/5 = 4/15 1/4 × 4/7 = 1/7 3/4 × 26/35= 39/70 1/5 × 32/35= 17/93 2/5 × 2/7 = 4/35 3/5 × 1/3 = 1/5 4/5 × 8/21= 25/82 1/6 × 3/7 = 1/14 5/6 × 10/21= 25/63 1/7 × 11/21= 3/40 2/7 × 4/7 = 8/49 3/7 × 13/21= 13/49 4/7 × 2/3 = 8/21 5/7 × 5/7 = 25/49 6/7 × 16/21= 32/49 1/8 × 17/21= 8/79 3/8 × 6/7 = 9/28 5/8 × 19/21= 13/23 7/8 × 20/21= 5/6 1/9 × 5/8 = 5/72 2/9 × 5/9 = 10/81 4/9 × 35/72= 8/37 5/9 × 5/12= 3/13 7/9 × 25/72= 10/37 8/9 × 5/18= 20/81
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