一、直接写出得数。(每题1分,共32分)
4.7+2.3=
17.5-0.9=
6.2-1.9=
6.37×100÷10=
5.1-1.6=
9.8+0.2=
2.5×3=
15÷3÷10=
3.6×100=
2.4-0.42=
4.9÷7=
96÷12÷8=
4.8÷10=
0.5×4=
3÷6=
52+14÷7=
7.2÷18=
16.9÷13=
8.4÷21=
22÷(40÷10)=
1.2×6=
0.72×10=
10÷50=
10+8.5-7.5=
9.2-3=
8.3+2.9=
1.9×5=
75×(40÷2)=
0.35×4=
7.3÷10=
5.2×40=
(150+15)÷15=
4.7+2.3=
17.5-0.9=
6.2-1.9=
6.37×100÷10=
5.1-1.6=
9.8+0.2=
2.5×3=
15÷3÷10=
3.6×100=
2.4-0.42=
4.9÷7=
96÷12÷8=
4.8÷10=
0.5×4=
3÷6=
52+14÷7=
7.2÷18=
16.9÷13=
8.4÷21=
22÷(40÷10)=
1.2×6=
0.72×10=
10÷50=
10+8.5-7.5=
9.2-3=
8.3+2.9=
1.9×5=
75×(40÷2)=
0.35×4=
7.3÷10=
5.2×40=
(150+15)÷15=
答案
7
16.6
4.3
63.7
3.5
10
7.5
0.5
360
1.98
0.7
1
0.48
2
0.5
54
0.4
1.3
0.4
5.5
7.2
7.2
0.2
11
6.2
11.2
9.5
1500
1.4
0.73
208
11
16.6
4.3
63.7
3.5
10
7.5
0.5
360
1.98
0.7
1
0.48
2
0.5
54
0.4
1.3
0.4
5.5
7.2
7.2
0.2
11
6.2
11.2
9.5
1500
1.4
0.73
208
11
二、用竖式计算,带☆的要验算。(每题3分,验算各1分,共20分)
56.4-25.94=
0.72×45=
☆5.76÷18=
18.9+10.32=
11.07÷9=
☆0.016×37=
56.4-25.94=
0.72×45=
☆5.76÷18=
18.9+10.32=
11.07÷9=
☆0.016×37=
答案
30.46
32.4
0.32
29.22
1.23
0.592
竖式及验算略
32.4
0.32
29.22
1.23
0.592
竖式及验算略
三、计算下面各题,能简算的要简算。(每题4分,共24分)
472-240÷8÷3
286-(86+32)-68
1400÷4÷25-8
264×17-264×7
83×56+83×54-830
48×31+62×76
472-240÷8÷3
286-(86+32)-68
1400÷4÷25-8
264×17-264×7
83×56+83×54-830
48×31+62×76
答案
462
100
6
2640
8300
6200
100
6
2640
8300
6200
登录