北师大版五年级数学寒假作业Word文档格式.docx
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0.23≈4.58×
0.37≈2.9×
1.8≈
三.脱式计算
2.8×
1.43+0.57=10-6.06+8.5=6×
0.25×
1.8=144÷
3.6+27.2=
0.24×
4.5=2.5×
6=
9×
0.25=0.125×
4=1.25×
8×
0.5=16×
0.01=1.78÷
0.3=
二.竖式计算
4.3×
8.14≈27.6×
0.45≈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÷
0.4=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=2.5×
2.3×
4=1.5÷
1.5+1.5=3.6-1.2÷
2.4=
4.7×
6+4×
4.7=0.5×
4=38.5×
0×
0.38=0.6×
0.8=3×
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=
2.5×
0.4=3.6×
0.4=12.5×
8=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×
4=10-0.99=3.8÷
1.9=13.9÷
0.1=
5.1÷
17=0.25×
0.4=1.25×
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÷
2.5
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=1.8÷
0.3=2.5×
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÷
3
0.6=0.1÷
0.001=3.2÷
0.08=2.8×
0.2=7.9+3.1=
0.9×
0.5=0.24×
5=(0.85-0.85)×
0.95=2.5×
4=
20×
0.5=
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÷
0.01=3.5+7.6= 0.42×
0.5= 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÷
0.25=
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)÷
7
7.32-4.37×
0.8
4.05÷
0.05÷
0.81
3×
0.2×
0.5=0.96÷
0.3=1.5×
0.4=2.5×
0.7×
0.8=8-2.5=
(2.5+0.25)=0.36+0.64= 64.32÷
16=72.8÷
0.8= 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÷
0.16-0.16
8.75÷
(12.5×
7)
5.4÷
(2.7×
4)
1.032+36÷
0.36
8.4÷
4.2=0.05×
0.8=2.56-0.37=1.25×
0.8×
0.5=12×
2.5=
1.23×
3=3.2÷
1.6=3.5+3.5×
3=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÷
21
0.048×
90×
0.46(保留两位小数)
2.46÷
2.5-7.9
3.9+2.03= 7.2×
0.3+2.8×
0.3=13.8+9.9=2.4×
2.5=16÷
1.6=
0.75×
4=(1.5+0.25)×
4=5.6×
1.01= 4.2÷
0.1= 4.2÷
二.列竖式
629÷
61=
2.3
6.49×
0.58=
0.27÷
1.1
≈
(得数保留两位小数)
(得数保留一位小数)(得数保留两位小数)
(得数保留两位小数)
9.28÷
(2.1-1.7)÷
2.5
1.25×
10÷
5.6×
12.5
2.14-0.9=27+456+73=12÷
0.3=2.87÷
0.7=13÷
4=
24÷
4+56÷
4=
7.2÷
1.2
=
3.86÷
100=
3.9×
0.01=
98.4×
①11.5÷
5=
②13.6÷
2=
③19.5÷
3=④12.6÷
12=
3.2÷
5÷
0.2
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=
0.42÷
7=
0.69÷
1=
1.21÷
0.6=
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)×
③2.6×
1.9÷
2.6×
1.9
④4.264÷
(0.16×
20.5)
76÷
1000=
8.7-5=
1.28×
8=
40×
25=
0.51×
100=0.58×
99=
0.6×
0.9=
0.5×
2÷
12.4-(2.4+3.25)=
①55.8÷
31=
②82.5÷
15=
③82.5÷
④18.9÷
6=
①0.56×
23.79÷
2.6
②8.45÷
1.3÷
2.6③9.42+2.8÷
0.25④5.4÷
12.5÷
0.4=
1084÷
18×
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=
6.49×
(得数保留一位小数)(得数保留两位小数)
(得数保留两位小数)
①39.6÷
(1.8+1.5)
②2.432÷
3.2+2.6③40.2×
④(24.8÷
0.95+0.05=2.5+3.2=0.74+0.16