2024年1月8日发(作者：学渣的数学试卷图片)
人教版小学数学五年级上册
口算题卡
0.16×5 ﹦
1.2×5=
2.5×0.4 =
6.6×0.6 =
9.6×0.6 =
53×2 =
16.9×0.3=
2.37＋3.7=
4.4×25= 2.643.8×10.1= 0.98
第一单元
1.78×2.2 =
0.7×0.01=
1.25×8=
5.37×5=
123.9×7=
55×3=
2.37＋6.3=
2.5×1.25=
×5=
×0.7=
1
2.3×0.15= 0.78×5 =
5×0.78= 5.3×42=
5.24×0.99= 10.65×0.22=
1×0.125= 0.1254.39×10= 4.390.7×2 3= 0.470.7×0.57= 312×0.03= 0.033×0.121= 8.67.6×0.23= 16.738.53×0.99 = 7.35.8×0.29= 5.88.6×18= 1.42
×11=
×0.1=
×0.7=
×1.21=
×0.12=
×0.7=
×2.5=
×5=
×2.9=
×18=
2
1.4×15= 0.1×0.2＝
3.57×5＝ 4.2×0.1＝
99×0.35＝ 0.05×0.8＝
1.23×3＝ 0.367.5×2.5×4＝1.2×0.4= 1.35.43×0.86= 78.580.85×1.01 = 5.290.1×0.01 = 0.284.68×4.5= 0.252.5×1.25= 25.76.71×25.7= 6.51×0.85= 4.73
×12＝
×0.43 =
×0.4＝
×3.7=
×2.3=
×35=
×0.5=
×3.29=
×5 6.5=
×3.9=
3
1.7
47.3×3.9= 47.3×0.391=
0.473×0.39= 2.4×5＝
1×1.25＝ 0.45×0.09＝
6.2×0.03＝ 0.125×0.125＝
9.9×2.5×0.4＝ 9×0.18＝
0.25×16＝ 0.7×8＝
3.05×4＝ 6.8×2＝
5.2×3.05×4.8＝ 1.05×0.1＝
17.5×7.5×2＝ 4.2×21＝
10.81×4.6×0.18= 0.65＋3.48＋0.45=
46.3×33.5＋46.3×66.5= 10.48×0.94=
47×1.2= 5.64－2.1=
1.25×80= 0.77×1.1=
4
1.2-0.08= 8- 0.52=
2.5× 3.6 = 4. 9.4×6=
5.0.8×0.92= 1.2×3.6=
1.4×1.2=
8.2×1.1 =
3.5× 1.6= 0.270.1×250= 6.64 12.5× 88 = 4.210.2× 35 = 5.67.2× 48=
16.7-0.92-1.08 = 16.8+1.6=
1.8× 4.5= 3.8+5.6=
0.7× 4 = 1.8+0.28 =
5.6×0.9 =
0.7×5=_
×0.036=
×3.3=
×0.7×6=
×3.5=
52× 7.2 =
5
13.5× 6 = 5.04×2.1=
22.6×0.33= 3.25×0.98 =
0.75×0.5=
3.5×0.1＝ 3.6200×0.04＝1.3×0.5＝ 0.423.2×0.5=
2.5-1.37=
0.73×2.15=
8.4×0.26=
6.7×5.5= 0.50.8×3.2= 1
0.75×2.3 =
×0.09=
＝
×0.6＝
×0.3＝
×11＝
7.38×1.6=
5.5×17.3=
×0.7 =
.5×4＝
6
12-1.2 0.21 5.5
5×4.8＝ 0.75＋0.8＝
0.13×4＝ 8.5×100＝
5.4×10＝ 4.2×1000＝
3.2×100＝ 0.453.6×0.1＝
1.2×0.3＝
8.5×1.7＝ 0.049.782×3.2＝
8.76＋0.351＝ 42.41.58＋2.42＝
1.25×4＝
3.9＋2.7＝ 0.242.5×4＝
×0.15＝
0.18×0.3＝
0.49×0.7＝
×25＝
－17.49＝
＋7.6＝
7.8－5.6＝
7.8×0.5＝
×0.3＝
0.3×10＝
7
53.73
1.25×8＝ 5.7×5.7＝
0×4.8＝ 77×7.7＝
12－3.8＝ 8.1－0.05＝
0.24×0.3＝
2.5×3=
7×1.3=
0.36×0.3=
4×0.8×0.25×1.25= 134×0.5=
8.89+0.1=
0.1×0.01=
9×0.4=
30.2-3.02= 4.3-0.25=
0.2×0.5＝
4.4×(5×0.2)=
0.96×0.06=
0.35×0.7=
＋0.7×0.7=
7×2.1=
24×0.25=
2.4×0.8=
10×0.01=
8
1-0.82= 9.6×0.3=
2.6×0.01= 0×25.4=
4.8×0.4= 5.4+4.62=
9-3.2= (1.5+2.4)1.7+1.3×0.4= 3.68.5×0.5+0.6= 7.25.4×0.6=
10×2.5=
0.64×0.4= 2.56.45×0.01=
0.08×0.001=
7.5×2.5= 8.80.96×6=
×0.2=
×23.6=
×0.8=
9.5×0.1=
×0.05=
×0.5=
×0.03=
0.01×0.2=
×0.2=
0.75×0.5=
9
35
0.36
0.7×5= 0.08×1000=
0.1×6.7= 1.6×0.5=
2.5×4= 0.74×0.4=
小学数学五年级上册第二单元口算题卡
7.5×3= 3.74×0=
0.8×0.6= 0.05×0.08=
80×1.25= 0.13×7=
3.5×4= 2.8×0.5
3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝
4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝
17×40＝ 100－63＝
10
3.2＋1.68＝ 2.8×0.4＝
1.92÷0.04= 0.32×500＝
0.65＋4.35＝ 10－5.4＝
4÷20＝ 3.51.5－0.06＝ 0.750.4×0.8＝ 41.01×99＝ 4201235÷0.05=
2.5÷0.5=
0.36÷0.03=
0.01÷0.2=
8.8÷0.2=
0.75÷0.5=
×200＝
÷15＝
×0.25＝
÷35＝
0.64÷0.4=
6.45÷0.01=
0.08÷0.001=
7.5÷2.5=
0.96÷6=
0.7×5=
11
0.08×1000= 0.1×6.7=
1.6×0.5= 2.5×4=
0.74×0.4= 7.5×3=
3.74×0=
0.05×0.08=
0.13×7=
2.8×0.5÷2=
8.2+2.6= 7.1125×0.8=
3.4×4×0.25=
5.5×2=
3－1.5×2=
2.4×0.5=
0.8×0.6=
80×1.25=
3.5×4=
4×0.5=
6×0.4=
2.6÷2=
8.1×2.5=
9.6÷4.8=
2×3.1=
0.125×8=
12
0.48÷6= 6.4－4=
0.6÷3+3= 0.91÷13=
3.25+0.75= 0.9÷0.1=
0.25×4=
0.5+0.5÷0.5=
10×0.05＝ 0.130.21×100＝ 0.70.05×4＝ 412.5×8= 2.33.25×0＝ 2.67.5×0.1＝ 1.250×9.8＝ 33.5×0＝ 1
4.8÷8=
50×0.8=
×7＝
×4＝
×0.3＝
×4＝
×3＝
÷0.25＝÷4＝
×0.06＝
13
2.6×3＝ 7.5×0.1＝
9×0.5＝ 8.2＋1.8＝
2.4×5＝ 3.99×1＝
8.4÷7＝ 8.40.34÷0.17＝1.2×6＝ 0.722.6÷1.3＝ 0.60÷3.65＝ 7.820.001÷0.1＝3.6÷0.06＝ 5.65.6÷1.4＝ 0.484.4÷0.11＝ 4.23.2×0.4＝ 0.3
÷0.7＝
÷4＝
÷0.6＝
×0.3＝
÷1 ＝
÷0.7＝
÷0.9＝
÷0.8＝
×3 ＝
÷0.01＝
14
30.4 1.4
4÷0.5＝ 5.1÷0.17＝
0.28÷1.4＝ 0.9÷0.45＝
9.6÷16＝ 1÷0.01 ＝
0.01÷1＝ 7.5÷1.5＝
0.81÷9＝ 3÷0.5＝
10÷25＝ 4.8÷0.16＝
0÷3.89＝ 3.52÷1＝
37.2×99＋37.2= 6.4÷4﹦
1.5÷0.3﹦ 1×0.4÷1×0.4=
小学数学五年级上册第三单元口算题卡
1.8×5﹦ 7.2÷0.9﹦
25×4÷0.25×4= 2.2×6﹦
8.4÷0.4﹦ 9÷5－9÷5﹦
15
2.5×2.8= 9-3.2×0.8=
0.85×0.5+4.6= 5.9-4.3=
1.62×0.4+2.5= 2.5×0.5-0.2=
2.03×2-2.4=
0.9×0.4+0.8= 4.2+5.8-3.4=
7.5-0.9=
0.48+2×6=
1.62×0.4=
99×0.35＝ 0.051.23×3＝ 0.367.5×2.5×4＝ 1.22.8×0.4＝
2.5×0.4=
1.65×0.5+0.5=
0×5.8=
0.36×0.9=
2.5×0.5=
×0.8＝
×12＝
×0.4＋1.3=
1.2×0.5-0.4 =
1.2×5×8 =
16
5.37×0+4.63 = 1.6+2.4×0.3 =
3.7×0.016= 53×2.07=
16.9×0.13= 2.03×2=
4÷0.5=
8.89+0.1= 240.1÷0.01=
9×0.4=
30.2-3.02= 4.3-0.25=
1-0.82=
2.6×0.01=
4.8×0.4= 7.51.7＋0.43＋3.3＝5.24×0.99=
×2.1=
×0.25=
4×0.8=
×0.01=
9.6÷0.3=
0×25.4=
×2.5×4＝
×0.4＋1.3×0.4＝
10.65÷0.22=
17
7
2. 10
1.2
1÷0.125= 0.125×1=
4.39×10= 4.39÷0.1=
0.7×2= 0.7×0.7=
0.7+0.7=
3×1.21=
7.8－5.6＝ 1.257.8×0.5＝
0.24÷0.3＝
0.3÷10＝ 1.255.7÷5.7＝
77÷7.7＝
8.1－0.05＝ 16.738.53×0.99=
0.3×1.21=
＋2.42＝
×4＝
＋2.7＝
×4＝
×8＝
÷4.8＝
－3.8＝
÷2.5=。
7.3÷0.5=
18
1.58
3.9 2.5
0 12
5.8÷0.29= 580÷290=
8.6×18＋1.4= 2.8×18=
(8.6＋1.4)×18= 0.1×0.2＝
3.5＋7.5＝ 4.299×0.35＝ 0.051.23÷3＝ 0.368.5×100＝ 5.44.2×1000＝ 20.45÷0.15＝
18×0.3＝ 1.20.49÷0.7＝
0.04×25＝ 9.78253.73－17.49＝
÷0.1＝
×0.8＝
÷12＝
÷10＝
÷100＝
÷0.1＝
÷0.3＝
÷1.7＝
÷3.2＝
＋0.351＝
19
3.6
8.5
8.76
42.4＋7.6＝ 6.45÷0.01=
0.36÷0.03= 0.08÷0.001=
0.01÷0.2= 7.5÷2.5=
8.8÷0.2=
0.75÷0.5= 0.70.08×1000=
1.6×0.5= 2.50.74×0.4=
0×25.4=
5.4+4.6×2.8=
(1.5+2.4)×0.2=
3.6×23.6=
7.2÷0.8=
÷6=
×5=
0.1×6.7=
×4=
7.5×3=
4.8×0.4=
9-3.2×0.8=
1.7+1.3×0.4=
8.5÷0.5+0.6=
5.4÷0.6=
20
0.96
9.5÷0.1= 10÷2.5=
35÷0.05= 0.64÷0.4=
2.5÷0.5= 3.2×0.5=
0.21×0.3＝ 2.5-1.37=
5.5÷11＝ 0.7×5=
3.5× 1= 0.27×0.036=
1÷250= 6.64÷3.3=
1. 8.2×0.7= 2.0.5×32=
3.3.2÷0.8= 9.4÷6=
5.0.8×0.92= 0.36÷0.03=
五年级数学上册第四单元口算题
5.5×2= 4.8÷8=
5.5×2= 4×7.5×2.5=
21
2.4÷0.8= 4.98＋0.62＝
(2.7－2.7) ×3.5= 9.6÷4.8=
3－1.5×2= 2×3.1=
2.4×0.5= 0.1250.48÷6= 6.40.6÷3+3= 0.913.25+0.75= 9.917×40＝ 1003.2＋1.68＝ 0.5+0.5 50×0.8= 0.994.5×0.1= 6.41.3×7= 22.1×40÷10= 2.8
×8－0.1=
－4=
÷13=
－0.9÷0.1=
－63＝
÷0.5=
÷33=
÷4＝
÷0.4=
×0.4＝
22
14－7.4＝ 1.92÷0.04＝
0.4×0.8＝ 4×0.2＝
1.7－0.47＝ 5－0.05＝
2.5×3＝ 30.32×500＝ 0.6510－5.4＝ 43.5×200＝ 1.50.75÷15＝ 5.5 9.6÷4.8= 3 2×3.1= 2.4 0.125×8－0.1= 0.486.4－4= 0.6 0.91÷13= 3.25+0.75=
÷0.25＝
＋4.35＝
÷20＝
－0.06＝
×2=
－1.5×2=
×0.5=
÷6=
÷3+3=
23
9.9－0.9÷0.1= 17×40＝
100－63＝ 3.2＋1.68＝
4.8÷8= 0.5+0.5÷0.5=
50×0.8=
4×7.5×2.5=
2.4÷0.8= (2.7 1.3×7= 22.1×40÷10= 2.8 14－7.4＝ 1.920.4×0.8＝ 0.581.4×6＝ 6.4 4.98＋0.62＝ 5－0.05＝ 2.5
0.99÷33=
4.5×0.1=
－2.7)×3.5=
÷0.4=
×0.4＝
÷0.04＝＋0.26＝
÷4＝
－0.47＝
×3＝
24
1.7
3÷0.25＝ 0.32×500＝
0.65＋4.35＝ 10－5.4＝
4÷20＝ 3.5×200＝
1.5－0.06＝ 0.75 5.5×2= 4 0.36＋1.54＝ 420÷35＝ 25135÷0.5＝ 0.51 32.8＋19＝ 5.2 1.6×0.4＝ 4.9 1÷5＝ 60.87－0.49＝ 3.543÷0.1＝ 200
÷15＝
×0.25＝
×99＝
×12＝
÷17＝
÷1.3＝
×0.7＝
÷12＝
×0.1＝
×0.04＝
25
1.01
12-1.2＝ 1.3×0.5=
0.42÷0.6＝ 6.3÷0.7＝
0.21×0.3＝ 5.69÷0.5＝
5.5÷11＝ 1.537.8＋0.9＝ 7.512÷0.4＝ 0.562.9＋3.7＋2.1＝ 1.25×5×8＝ 7.61+0.1= 0.4+0.42=
1-0.5= 0.3+0.7=
42.8-4.28= 9.7-2=
0.9-0.89= 3.5+0.5=
5-0.64= 6.3+7=
－0.5＝
－2.5＝
＋4.44＝
×0.25＝
×8＋2.4×8＝26
4
7.2＋2.8＝ 0.27－0.2＝
1÷0.25×4＝ 2.5×4＝
1.2×0.5＝ 42.9÷6＝
0.53÷0.5＝
1÷0.5＝ 1.43.07×100＝
4.7+2.3= 4.56.9－2.5= 7.2 6×3.4= 0.621.4×0.5=
0.02×0.5=
6.3÷7=
0.75÷0.25=
0.3÷0.1＝
×11＝
0.36÷0.6＝
×2=
×0.8=
－0.32=
0.75×100=
3.6÷0.3=
5.6÷100=
0.125×8=
27
4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4=
0.64÷0.8=
3.6÷24=
7.2+12.8= 46.712.8÷4= 5.212.5÷5=
10÷20=
8.65×10=
3.08×0.01=
6.9×0.1=
2.4÷0.8=
0.72÷3.6=
0.8×1.1=
－3.8=
÷13=
1.64÷41=
24÷15=
0.35×0.6=
4.95×1000=
0.4×0.5=
10.8÷9=
28
9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1=
0.325×100= 2.5×8=
0.56÷0.7=
3.28×0.1=
7.2×0.1=
0.25×0.4=
1÷2.5=
3.2÷0.04=
0.22×102=
5×0.24= 4.53.9÷0.13 16.55×0.12= 24
0.125×4=
3.9÷0.13=
0.01×0.1=
1.6÷0.8=
1.25×0.8=
0÷1.7=
9.6÷0.8=
－0.05=
÷0.5=
×0.5=
29
4.8×0.5= 2.8＋4.2=
0.84÷2.1= 3.8＋5.6＝
1÷0.01=
0.96×10=
1.9÷19=
0.42×1.01=
0÷1.69=
1÷0.25=
2.08÷0.1=
0.05×0.6=
2.2×3=
练习一
2.7×0.3=
8.4÷0.1=
0.15×0.4=
0.75×8=
0.6÷10=
0×3.7=
0.4×0.5=
1.7×3=
7.6÷4=
30
1.2×0.3= 9.9÷1.1=
0.25÷5= 0.25÷0.5=
0.15×0.4= 0.05×6=
二 看谁算的快
2x+8=16 x
x+7x=8 9x-3x=6
0.63÷7=
0.81÷0.9=
0.3×0.16=
0.88÷0.4=
0.81÷0.3=
÷=10
练习二
7.2÷3.6=
4.3×0=
6÷12=
12÷20=
1÷0.25=
31
7×0.01= 0.05×6=
0.02×0.03= 0.81÷3=
1.06×5= 0.2×0.35=
2.7×0.2= 0.45×0.2=
1.5×6= 0.05×0.8=
2.4×0.2= 0.4×6=
2.13×2= 0.25×4=
二 填空
1、平行四边形的面积公式是：
2、 三角形的面积公式是： ，S表示 ,a表示 ,h表示 .
练习三
32
一 快速计算下列各题。
2.1÷2= 0.77÷35=
0.3×10.1= 3.6÷0.3=
2.08÷0.1=
7×0.05=
0.45×2=
0÷1.69= 0. 3÷1.2=
8.4÷7=
4.05×1000=
5x+x=9 x-8=6x
6x+6=12 5x-3x=4
1.06×5=
7.2×0.9=
2.51×104=
4×0.5=
0.51÷0.3=
8.08÷8=
0.92÷4=
33
4+5x=9 7x-9=8
二 根据平行四边形公式填空
a s h
2.2 3
24 8
3.6 0.3
五年级数学上册第六单元口算题练习一
2.4×0.2= 0.96×10=
8.4÷0.1= 1.5×0.3=
2.55×0.4= 0.15×0.4=
34
0.42×1.01= 0.8×0.5=
0.75×8= 1÷0.2=
0.6÷10= 1÷0.25=
3.6÷0.3=
1.06×5=
0÷1.69=
1.7×3=
7.6÷4=
0.25÷0.5=
1.2×0.3=
0.25÷5=
0.95÷9.5=
2.08÷0.1=
2.51×104=
0.4×0.5=
2.2×3=
0.85÷0.5=
0×3.7=
9.9÷1.1=
1.5×0.6=
6.13÷100=
练习二
35
1÷0.01= 0.63÷9=
0.54÷0.2= 0.7×0.8=
0÷0.56= 0.05×0.6=
4÷0.25=
0.24÷0.6=
0.84÷0.21=
0.63÷7=
0.75×4=
0.81÷0.9=
4.3×0=
1÷0.25=
23.7×0.01=
0.04×20=
0.70÷0.1=
0.48÷48=
1÷0.01=
7.2÷3.6=
8.4÷0.4=
0.8×1.25=
0.3×0.16=
0.12÷20=
0.02×0.03=
0.81÷3=
36
0.2×0.35= 2.7×0.2=
0.28÷0.7= 0.16÷0.4=
8.2÷0.01= 0.75÷0.3=
0.4×0.5=
0.81÷0.3=
1.5×6=
0.25÷5=
2.7×0.3=
0.73×0.4=
0.4×6=
0.25×4= 4.5
0.45×0.2=
10÷0.5=
0.05×0.8=
4÷0.5=
0.65×0.6=
0.05×6=
2.13×2=
×6=
练习三
37
1.6×0.8= 7.5÷1.5=
7.2÷0.6= 3.9÷3.9=
2.1÷2= 2.4÷30=
0.77÷35=
3.6÷1.8=
8.21÷0.1=
0.36×0.2=
7.2×0.9=
3÷1.2=
1÷0.125=
1.5×60=
6.1×0.4=
2.43×101=
0.3×10.1=
5÷0.25=
0.7×1.4=
7×0.05=
0.45×2=
8.1÷0.09=
1.2×0.5=
60÷0.5=
19×1.6=
0.51÷0.3=
38
8.4÷7= 1.9÷19=
6÷12= 0.88÷0.4=
7.8÷0.6= 8.08÷8=
4.05×1000= 0.25×96=
五年级数学上册第七单元口算题练习一
0÷1.5= 6.3÷2.1=
4.4×0.1= 4.2×0.8=
3.1×0.7= 0.5×0.2=
0.73×0.4= 1.5÷0.15=
4.4×0.1= 0.7×1=
7.4÷0.5= 0.72÷8=
39
0.65×0.6= 4.5÷0.3=
1.34×2= 1÷0.01=
3.4×0.6= 9.6÷1.6=
7.2×0.01=
0.15×0.4=
4.2÷21=
1.25÷2.5=
二 解易方程
4/5x=20 2x-6=12
7x+7=14 3x+7=28
3x-7=26 9x-x=16
11.2÷0.2=
0.05×6=
6.28÷3.14=
40
24x+x=50 6/7x-8=4
0.45÷0.5=
0.88÷0.4=
0.03×0.4=
0.7÷100=
6.3÷21=
8.4÷0.21=
1.5×0.3=
0.24÷0.6=
0.84÷0.21=
二、填空
练习二
6÷12=
4.9÷0.01=
12.8÷0.4=9.4÷0.2=
1.34×2=
1.2÷0.3=
0.15×0.4=
0.48÷48=
5×0.4=
41
2.5
1.一个数乘3,减去5,除以4,再加上8减去2,除以2,得5,这个数是 ( )。
2．甲乙两个数的和是200.2。甲数的小数点向右移动一位就和乙一样大，甲数是 乙数是（ ）。
练习三
一、比大小 在○里填上“〈”、“〉”或“=”。
1÷0.2 ○0.6
8.2÷0.01○0.75÷0.3
2.3×0.9○2.3 9.32×1○9.32
0.8×0.5○0.75×8
6.3÷0.9○6.3 5.01÷1○5.01
7.5÷1.5○7.2÷0.6
42
S=8.2 a=0.01 h=
a=0.75 h=8 s=
s=7.4 h=0.5 a=
三 解方程
5-8x=4 7x+8=15
10-x=8 8x+9=17
9+6x=14 x+9x=4+7
五年级数学上册第八单元口算题15÷1.5= 2.5×0.4=
0.55÷11= 9.2÷2.3=
3.2×0.01= 0.55÷05=
0.5×0.4= 2.6÷1.3=
3.2×0.5= 4.2×0.8=
43
0.06×0.15= 3.1×0.7=
9.6÷6= 8×0.125=
5.1÷1.7= 3.4÷1.7=
3.6÷0.9=
6.3÷0.9=
0.7×1=
3.2÷0.4=
0.9÷0.45=
1.5×3=
1.8×5=
3.4×0.6=
7.2×0.01=
0.1÷0.125=
1.5÷0.15=
4.4×0.1=
8.4÷2.1=
7×0.09=
8.5÷0.5=
2.5×0.04=
4.5÷0.3=
9.6÷1.6=
3.6÷2=
11.2÷0.2=
44
4.2÷21= 6.28÷3.14=
1.25÷2.5= 8.1÷0.3=
6.28÷3.14= 1.25÷2.5=
7.2÷0.09=
0.36÷12=
6.25×8=
2.4×0.5=
0.27÷3=
0.01×0.1=
4.4×2.5=
0.72÷8=
0.37×20=
1.2÷0.3=
练习二
0.5×0.2=
0.75×4=
22×0.02=
12.8÷0.4=
9.8×0.7=
7.4÷0.5=
0.32÷0.8=
5.5×0.3=
45
0.45÷0.5= 4.9÷0.01=
0.25×0.04= 0.25×0.8=
8.4÷0.01= 2.7÷3=
0.05×0.6= 0.8×1.25=
0.03×0.4= 12.8÷0.4=
0.7÷100= 9.4÷0.2=
6.3÷21= 0.8×7.2=
练习三
一、在○里填上“〈”、“〉”或“=”。
5.8平方米○58平方分米
1.2厘米○0.12分米5050千克○5.5吨
230000平方米○2.3公顷
6.5平方米○6平方米5平方分米
46
7千米75米○7.75千米
2.3×0.9○2.3 0.93×0.86○0.93
练习四
看谁算得又对又快。
0.05×0.8= 7.5÷0.5÷2=
1.34×2= 8.4÷0.21=
0.91÷9.1= 0÷3.66=
7.2÷0.12= 0.8×25=
4×0.24＋0.24= 2.5×4=
6.3÷0.5÷2= 1.8÷0.6÷0.3=
10÷2.5×4= 1.5＋1.5×4=
（1.5－0.5）×0.8= 1.25×32×2.5=
1÷4÷8÷0.25= 25.25×6.4×4÷0.64=
47
2.2×0.6÷2.2×0.6= 8.6×45＋8.6×55=
（9.2－9.2）÷0.39= 0.7×0.3÷0.7×0.3=
9.81×0.1＋0.5×98.1＋0.049×981=
（1.25+1.25+1.25+1.25）×25×8=
4.5×4.5＋4.5＋4.5＋4.5=
0.88÷0.4= 4.9÷0.01=
0.03×0.4= 12.8÷0.4=
0.25×0.04= 0.25×0.8=
8.4÷0.01= 2.7÷3=
4.4×2.5= 7.4÷0.5=
0.72÷8= 0.32÷0.8=
1.25÷2.5= 8.1÷0.3=
48
6 0.9÷0.45= 8.5÷0.5=
2.5×0.04= 1.25÷2.5=
1.5×3= 12.8÷0.4=
4.9÷0.01= 9.4÷0.2=
0.88÷0.4= 1.34×2=
0.03×0.4= 6.3÷21=
0.7÷100= 0.91÷9.1= 0÷3.66=
7.2÷0.12= 0.8×25=
8.4÷0.01= 2.7÷3=
3.5×200＝ 1.5－0.06＝
0.75÷15＝ 5.5×2=
9.6÷4.8= 3－1.5×2=
0.03×0.4= 12.8÷0.4=
49
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