北师大版本小学五年级的数学寒假的作业docWord文档下载推荐.docx
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0.37≈2.9×
1.8≈
2.8×
1.43+0.57=10-6.06+8.5=6×
0.25×
1.8=144÷
3.6+27.2=
0.24×
5.4
+3.6=
1.25
-0.25=10.2
2.5
6=
9×
0.25=
0.125
8×
16
0.01=
1.78
0.3=
4.3×
8.14≈
27.6
0.45≈
20
12≈
0.87×
3.16+4.64=6.8×
0.75÷
0.5=13.75÷
0.125–2.75=
53+23.4
7.2=
0.01÷
0.1=
1.8
20=
x-0.4x=
5d-2d=
0.27
0.003=
3.6÷
0.6
0.8=
2.4
3=0.12
0.7=
4
5=
2.5÷
0.7=2.5÷
0.7=3.25×
9.04=5.08×
0.25≈
2.881÷
0.43-0.24×
3.5=28-(3.4+1.25×
2.4)=(31.8+3.2×
4)÷
5=31.5×
(6+3)=
1.6
0.5=
0.2
0.05=
2.3×
1.5
1.5+1.5=
-1.2÷
2.4=
4.7
6+4×
4.7=
0.5
38.5
0×
0.38=
0.8=
0.9=
36.8÷
16≈10.1÷
3.3≈15.3÷
11≈0.78÷
1≈
0.64×
25×
7.8+2.2=2÷
2.5+2.5÷
2=194-64.8÷
1.8×
0.9=36.72÷
4.25×
9.9=
12.5
50
0.04=
80
1.1
9=
9.32-5.98=
7.61-7.09=
9.73-5.77=
8.71+3.59=
1.64+2.35=8.34-6.22=22.4÷
7=0.48×
350=
5180-705×
6=24÷
2.4-2.5×
0.8=3.416÷
(0.016×
35)=9.4×
5.8+10.6×
5.8=
一口算
8.03-7.77=
1.64+1.32=
9.29-7.66=
2.26+9.34=
6.45-4.57=
5.19+7.38=
5.74+8.14=
7.81+6.1=
7.72+7.07=
9.31-4.22=
二,竖式
2.14×
3.6=
0.15×
0.84=
2.07×
4.8=
2.05÷
11=
三.想一想,下面各题怎样算简便就怎样算!
3.04+5.83+16.96+4.171.25×
32×
253.25×
1.6-0.6×
3.250.88÷
0.25
一.请你在一分钟内快速口算出下面各题的得数。
3.8+5.2=
6.5
10-0.99=
3.8
1.9=
13.9
5.1÷
17=
80=
4.8÷
0.24=
0.63
21=
二.认真计算下面各题,除不尽的得数保留两位小数。
(23.6-5.20.4)÷
6.726.7
[(2.53+1.84)×
5]
1.25×
5.7×
8
10÷
0.2÷
三.计算下面各题,能用简便方法计算的要用简便方法计算。
8.3×
4+1.723.6-0.5×
0.5-6.752.3×
(5.38-1.82)+6.44×
2.3
(2.4+2.4+2.4+2.4
)×
630÷
70=
4.3-0.8=
3.4+1.6=
40=
700=
18×
50=
4.2
6=
7.2
+2.8=
0.9×
0.01=
12.6+3.4=10-7.64=9.52÷
34=8×
1.36=
13.8×
4.5+6.28.032+12.6÷
0.421.3×
1.8-16.39153÷
0.51÷
0.6=
0.1
0.001=
0.08=
2.8
0.2=
7.9+3.1=
0.9×
0.24
5=
(0.85-0.85)×
0.95=
2.5×
20×
13.88-6.29=9.25×
16=8÷
50=0.99+1.1=
三.下面各题,怎样简便就怎样算。
3.2×
16.8+83.2×
3.216.8-3.28-6.72(19.5-5.3)×
2.8+157.5×
[(5.1+2.1)÷
1.8]
0.9÷
3.5
+7.6
=
0.42
0.51
1.7=
4.72+4.2=
5.2÷
0.13=
99
1.01
13.5
-2.8
-7.2=
32.8
+19=
7÷
二、列竖式计算
12.6+7.43=29÷
22(保留2位小数)28.448÷
14=32×
6.07=
三.脱式计算。
40.2×
2.7÷
16.2(24.8÷
32)÷
77.32-4.37×
0.84.05÷
0.05÷
0.81
3×
0.2×
0.5=0.96
0.3=1.5
0.4=
0.7×
-2.5=
(2.5+0.25)=
0.36+0.64=
64.32÷
16=
72.8
8.4
0.2+1.6×
0.2=
二.列竖式计算。
(前两行并验算)
0.32=35÷
56=0.36×
6.9=15.36÷
12=
7.62÷
0.16-0.168.75÷
(12.5×
7)5.4÷
(2.7×
4)1.032+36÷
0.36
4.2=
0.05
2.56
-0.37=
0.8×
2.5=
1.23
3=
1.6=
+3.5×
19.6
2=
8.8
2.2=
二.竖式
2.34×
1.5=11.7÷
2.6=25.2÷
42=3.74÷
34=
0.432÷
(6.21-6.09)4.8÷
0.4-2.1÷
210.048×
90×
0.46(保留两位小数)2.46÷
2.5-7.9
3.9+2.03=
0.3+2.8×
0.3=
13.8
+9.9=
2.5=16
0.75×
4=
(1.5+0.25)×
4=
5.6
1.01=
0.1=
4.2÷
二.列竖式
629÷
61=
4.8÷
6.49×
0.58=
0.27÷
≈
(得数保留两位小数)
(得数保留一位小数)
9.28÷
(2.1-1.7)÷
2.51.25×
810÷
2.55.6×
2.14-0.9=27
+456+73=
2.87
13
24÷
4+56÷
7.2÷
1.2=
3.86÷
100=
3.9×
98.4×
①11.5÷
②13.6
2=
③19.5
3=
④12.6÷
3.2÷
5÷
1.56×
1.7+0.44×
1.7
11.72-7.85-1.72
25+12×
9.1÷
1.3=
8.2÷
10=
1-0.45=
36+2.45=
0.48×
0.42÷
0.69÷
1.21÷
0.5÷
0.2=
8.4÷
2.1=
①28.8÷
24=
②20.4÷
③96.6÷
42=
④26÷
①2.6×
(2.139÷
9.3×
6.2)
②(18.4+27.83÷
4.6)×
0.2③2.6×
1.9÷
2.6×
1.9
④4.264÷
(0.16×
20.5)
76÷
1000=
8.7-5=
1.28×
40×
25=
0.58×
99=
0.6×
0.5×
2÷
12.4-
(2.4+3.25)=
①55.8÷
31=
②82.5÷
15=
③82.5÷
④18.9÷
①0.56×
23.79÷
2.6
②8.45÷
1.3÷
③9.42+2.8÷
④5.4÷
4)
12.5÷
0.5÷
1084÷
2.6+3.1-2.6+3.1=
73×
25=10+0.08=
1-0.95=
0.3+0.27=
0.47+0.13=
4.5+4=
4-0.6=
①39.6÷
(1.8+1.5)②2.432÷
3.2+2.6③40.2×
16.2④(24.8÷
7
0.95+0.05=
2.5+3.2=
0.74+0.16=
23×
9.8-4.8=
480÷
0.53
5.1+2.3=
125
0.078
0.32=
35÷
56=
0.36×
6.9=
15.36÷
7.32-4.37×
0.817.62÷
7)
0.52+0.4=
70
100=3.4-2.8=
0.6-0.37=
1-0.75=
0.82+0.3=13.5+6.5=
3.05×
1.5=
11.7÷
2.6=
25.2÷
3.74÷
1.032+36÷
0.360.432÷
(6.21-6.09)4.8÷
0.46(保留两位小数)