小学数学五年级上册口算题大全

人教版小学数学五年级上册口算题卡

第一单元

0.16×5 ﹦ 1.78×2.2 = 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= 2.3.8×10.1= 0.982.3×0.15= 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=

0.78×5 =

【精品文档】

5×0.78= 5.3×42= 5.24×0.99= 10.65×0.22= 1×0.125= 0.125×11= 4.39×10= 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= 1.421.4×15= 0.1×0.1= ×0.7= ×1.21= ×0.12= ×0.7= ×2.5= ×5= ×2.9= ×18= ×0.2＝

【精品文档】

3.57×5＝ 4.2×0.1＝ 99×0.35＝ 0.05×0.8＝ 1.23×3＝ 0.36×12＝ 7.5×2.5×4＝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= 4.7347.3×3.9= ×0.43 = ×0.4＝ ×3.7= ×2.3= ×35= ×0.5= ×3.29= ×5 6.5= ×3.9= 47.3×0.391=

1.7【精品文档】

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.－2.1= 1.25×80= 0.77×1.1= 1.2-0.08= 8- 0.52=

【精品文档】

2.5× 3.6 = 4. 9.4×6= 5.0.8×0.92= 1.2×3.6= 1.4×1.2= 5.6×0.9 = 8.2×1.1 = 3.5× 1.6= 0.270.1×250= 6. 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 =

0.7×5=_ ×0.036= ×3.3= ×0.7×6= ×3.5= 52× 7.2 = 【精品文档】

13.5× 6 = 5.04×2.1= 22.6×0.33= 3.25×0.98 =

0.75×0.5= 0.75×2.3 = 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= 15×4.8＝ ×0.09= ＝ ×0.6＝ ×0.3＝ ×11＝ 7.38×1.6= 5.5×17.3= ×0.7 = .5×4＝ 0.75＋0.8＝

12-1.2 0.21 5.5 【精品文档】

0.13×4＝ 8.5×100＝

5.4×10＝ 4.2×1000＝ 3.2×100＝ 0.45×0.15＝ 3.6×0.1＝ 1.2×0.3＝ 8.5×1.7＝ 0.049.782×3.2＝ 8.76＋0.351＝1.58＋2.42＝ 1.25×4＝ 3.9＋2.7＝ 0.242.5×4＝ 1.25×8＝ 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＝

5.7×5.7＝

53.73 42.4 【精品文档】

0×4.8＝ 77×7.7＝ 12－3.8＝ 8.1－0.05＝ 0.24×0.3＝ 0.2×0.5＝ 2.5×3= 7×1.3= 0.36×0.3= 4×0.8×0.25×1.25= 134×0.5= 8.+0.1= 0.1×0.01= 9×0.4= 30.2-3.02= 4.3-0.25= 1-0.82= 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= 9.6×0.3=

【精品文档】

2.6×0.01= 0×25.4= 4.8×0.4= 9-

(1.5+2.4)×0.2=

1.7+1.3×0.4= 3.68.5×0.5+0.6= 7.25.4×0.6= 10×2.5= 0.×0.4= 2.56.45×0.01= 0.08×0.001= 7.5×2.5= 8.80.96×6= 0.7×5= ×0.8= 9.5×0.1=

35×0.05= ×0.5= 0.36×0.03=

0.01×0.2= ×0.2= 0.75×0.5=

0.08×1000=

【精品文档】

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＝ 3.2＋1.68＝ 2.8×0.4＝

【精品文档】

1.92÷0.04= 0.32×500＝ 0.65＋4.35＝ 10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝ 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= 0.08×1000= ÷15＝ ×0.25＝ ÷35＝ 0.÷0.4= 6.45÷0.01= 0.08÷0.001= 7.5÷2.5= 0.96÷6= 0.7×5= 0.1×6.7=

【精品文档】

1.6×0.5= 2.5×4= 0.74×0.4= 7.5×3= 3.74×0= 0.8×0.6= 0.05×0.08= 0.13×7= 2.8×0.5÷2= 8.2+2.6= 125×0.8= 3.4×4×0.25= 5.5×2= 3－1.5×2= 2.4×0.5= 0.48÷6= 6.480×1.25= 3.5×4= 4×0.5= 7.16×0.4= 2.6÷2= 8.1×2.5= 9.6÷4.8= 2×3.1= 0.125×8= －4=

【精品文档】

0.6÷3+3= 0.91÷13= 3.25+0.75= 0.9÷0.1= 0.25×4= 4.8÷8= 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＝ 12.6×3＝ 7.550×0.8= ×7＝ ×4＝ ×0.3＝ ×4＝ ×3＝ ÷0.25＝÷4＝ ×0.06＝ ×0.1＝

【精品文档】

9×0.5＝ 8.2＋1.8＝

2.4×5＝ 3.99×1＝ 8.4÷7＝ 8.4÷0.7＝ 0.34÷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＝ 0.34÷0.5＝ 5.1÷4＝ ÷0.6＝ ×0.3＝ ÷1 ＝ ÷0.7＝ ÷0.9＝ ÷0.8＝ ×3 ＝ ÷0.01＝ ÷0.17＝

30.4 1.4【精品文档】

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.＝ 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﹦ 2.5×2.8= 9-3.2×0.8=

【精品文档】

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= 1.65×0.5+0.5= 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= 5.37×0+4.63 =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 = 1.6+2.4×0.3 =

【精品文档】

3.7×0.016= 53×2.07= 16.9×0.13= 2.03×2=

4÷0.5= 7×2.1=

8.+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＝ 1.25.24×0.99= 1÷0.125= ×0.25= 2.4×0.8=

×0.01= 9.6÷0.3=

0×25.4= ×2.5×4＝

×0.4＋1.3×0.4＝ 10.65÷0.22= 0.125×1=

10 【精品文档】

4.39×10= 4.39÷0.1= 0.7×2= 0.7×0.7= 0.7+0.7= 0.3×1.21=

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＝8.53×0.99= 5.8÷0.29= ＋2.42＝ ×4＝ 3.9＋2.7＝

2.5×4＝ ×8＝ 0÷4.8＝

12－3.8＝ ÷2.5=。 7.3÷0.5= 580÷290=

1.58 16.73 【精品文档】

8.6×18＋1.4= 2.8×18= (8.6＋1.4)×18= 0.1×0.2＝ 3.5＋7.5＝ 4.2÷0.1＝ 99×0.35＝ 0.051.23÷3＝ 0.368.5×100＝ 5.44.2×1000＝ 0.45÷0.15＝ 18×0.3＝ 1.20.49÷0.7＝ 0.04×25＝ 9.78253.73－17.49＝42.4＋7.6＝ ×0.8＝ ÷12＝

÷10＝ ÷100＝

3.6÷0.1＝ ÷0.3＝ 8.5÷1.7＝

÷3.2＝ 8.76＋0.351＝

6.45÷0.01= 2

【精品文档】

0.36÷0.03= 0.08÷0.001= 0.01÷0.2= 7.5÷2.5=

8.8÷0.2= 0.96 ÷6= 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= 9.5÷0.1= 10×5= 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= ÷2.5=

【精品文档】

35÷0.05= 0.÷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.÷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= 2.4÷0.8= 4.98＋0.62＝

【精品文档】

(2.7－2.7) ×3.5= 9.6÷4.8= 3－1.5×2= 2×3.1= 2.4×0.5= 0.125×8－0.1= 0.48÷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= 2.814－7.4＝ 1.92－4= ÷13= －0.9÷0.1= －63＝ ÷0.5= ÷33= ÷4＝ ÷0.4= ×0.4＝ ÷0.04＝

【精品文档】

0.4×0.8＝ 4×0.2＝ 1.7－0.47＝ 5－0.05＝ 2.5×3＝ 3÷0.25＝ 0.32×500＝ 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= 9.9－0.9÷0.1= 17＋4.35＝ ÷20＝ －0.06＝ ×2= －1.5×2= ×0.5= ÷6= ÷3+3= ×40＝

【精品文档】

100－63＝ 3.2＋1.68＝ 4.8÷8= 0.5+0.5÷0.5= 50×0.8= 0.99÷33= 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＝ 2.53÷0.25＝ 0.324.5×0.1= －2.7)×3.5= ÷0.4= ×0.4＝ ÷0.04＝＋0.26＝ ÷4＝ －0.47＝ ×3＝ ×500＝

1.7【精品文档】

0.65＋4.35＝ 10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝ 0.75÷15＝ 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＝ 20012-1.2＝ 1.3×0.25＝ ×99＝ ×12＝ ÷17＝ ÷1.3＝ ×0.7＝ ÷12＝ ×0.1＝ ×0.04＝ ×0.5=

1.01【精品文档】

0.42÷0.6＝ 6.3÷0.7＝ 0.21×0.3＝ 5.69÷0.5＝ 5.5÷11＝ 1.53－0.5＝ 7.8＋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.= 3.5+0.5= 5-0.= 6.3+7=

7.2＋2.8＝ －2.5＝ ＋4.44＝ ×0.25＝ ×8＋2.4×8＝0.27－0.2＝ 4

【精品文档】

1÷0.25×4＝ 2.5×4＝ 1.2×0.5＝ 42.9÷6＝ 0.53÷0.5＝ 0.3÷0.1＝ 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=

×11＝ 0.36÷0.6＝ ×2= ×0.8=

－0.32= 0.75×100= 3.6÷0.3= 5.6÷100= 0.125×8= 【精品文档】

4.8÷0.3= 0.96÷2= 0.56÷28= 0.36÷0.4= 0.÷0.8= 0.72÷3.6= 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= 9.6÷0.8= 0.8×1.1= －3.8= ÷13= 1.÷41= 24÷15= 0.35×0.6= 4.95×1000= 0.4×0.5= 10.8÷9= 0.108÷2=

【精品文档】

4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8= 0.56÷0.7= 0.125×4= 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= 244.8×0.5= 2.83.9÷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= ＋4.2=

【精品文档】

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= 1.2×0.3= 练习一

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= 9.9÷1.1= 2.

【精品文档】

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= 7×0.01= ÷=10 练习二

7.2÷3.6= 4.3×0= 6÷12= 12÷20= 1÷0.25= 0.05×6=

【精品文档】

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

一 快速计算下列各题。

【精品文档】

2.1÷2= 0.77÷35= 0.3×10.1= 3.6÷0.3= 2.08÷0.1= 1.06×5= 7×0.05= 0.45×2= 0÷1.69= 3÷1.2= 8.4÷7= 4.05×1000= 5x+x=9 x-8=6x

6x+6=12 5x-3x=4

7.2×0.9= 2.51×104= 0.4×0.5= 0.51÷0.3= 8.08÷8= 0.92÷4= 【精品文档】

4+5x=9 7x-9=8 二 根据平行四边形公式填空

a 2.2 3.6

s 24 0.3

h 3 8

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= 0.42×1.01= 0.8×0.5=

【精品文档】

0.75×8= 1÷0.2= 0.6÷10= 1÷0.25= 3.6÷0.3= 2.08÷0.1= 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= 1÷0.01= 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

0.63÷9=

【精品文档】

0.54÷0.2= 0.7×0.8= 0÷0.56= 0.05×0.6= 4÷0.25= 0.70÷0.1= 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= 0.2×0.35= 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= 2.7×0.2=

【精品文档】

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= 4.51.6×0.8= 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

7.5÷1.5=

【精品文档】

7.2÷0.6= 3.9÷3.9= 2.1÷2= 2.4÷30= 0.77÷35= 0.3×10.1= 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= 8.4÷7= 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= 1.9÷19=

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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= 0.65×0.6= 4.5÷0.3=

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1.34×2= 1÷0.01= 3.4×0.6= 9.6÷1.6= 7.2×0.01= 11.2÷0.2= 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

0.05×6= 6.28÷3.14=

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24x+x=50 6/7x-8=4

练习二

0.45÷0.5= 6÷12= 0.88÷0.4= 4.9÷0.01= 0.03×0.4= 12.8÷0.4= 0.7÷100= 9.4÷0.2= 6.3÷21= 1.34×2= 8.4÷0.21= 1.2÷0.3= 1.5×0.3= 0.15×0.4= 0.24÷0.6= 0.48÷48= 0.84÷0.21= 2.55×0.4= 二、填空

1.一个数乘3,减去5,除以4,再加上8减去2,除

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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

S=8.2 a=0.01 h=

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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= 0.06×0.15= 3.1×0.7=

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9.6÷6= 8×0.125= 5.1÷1.7= 3.4÷1.7= 3.6÷0.9= 1.5÷0.15= 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= 4.2÷21= 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= 6.28÷3.14=

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1.25÷2.5= 8.1÷0.3= 6.28÷3.14= 1.25÷2.5= 7.2÷0.09= 1.2÷0.3=

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= 0.45÷0.5= 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= 4.9÷0.01=

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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 7千米75米○7.75千米

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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.= 2.2×0.6÷2.2×0.6= 8.6×45＋8.6×55=

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（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= 6 0.9÷0.45= 8.5÷0.5=

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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= 0.7÷100= 9.4÷0.2=

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6.3÷21= 1.34×2=

（1.5－0.5）×0.8= 1.25×32×2.5= 1÷4÷8÷0.25= 25.25×6.4×4÷0.=

8.4÷0.01= （1.5－0.5）×0.8= 1÷4÷8÷0.25= 46.25×8= 2.4×0.5= 0.27÷3= 1.25÷2.5= 6 0.9÷0.45=

4.9÷0.01= 2.7÷3= 1.25×32×2.5= 25.25×6.4×4÷0.= 0.75×4= 22×0.02= 12.8÷0.4= 8.1÷0.3= 8.5÷0.5= 9.4÷0.2=

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0.88÷0.4= 1.34×2= 0.05×0.6= 0.8×1.25= 0.03×0.4= 12.8÷0.4= 46.25×8= 2.4×0.5= （1.5－0.5）×0.8=

7.2÷0.12= 4×0.24＋0.24= 4.4×2.5= 0.72÷8= 0.36÷12= 6.25×8= 0.0.75×4= 22×0.02= 1.25×32×2.5= 0.8×25= 2.5×4= 7.4÷0.5= 0.32÷0.8= 0.5×0.2= 75×4=

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1.25÷2.5= 8.1÷0.3= 6.28÷3.14= 1.25÷2.5=

0.25×0.04= 0.25×0.8= 8.4÷0.01= 0.72÷8= 1.25÷2.5= 4.4×2.5= 0.75÷15＝ 5.5 1÷4÷8÷0.25= 9.6÷4.8= 36.25×8= （1.5－0.5）×0.8= 1.25÷2.5= 0.25÷0.5= 2.7÷3= 0.32÷0.8= 8.1÷0.3= 7.4÷0.5= ×2=

25.25×6.4×4÷0.= －1.5×2= 0.75×4=

1.25×32×2.5=

8.1÷0.3= 0.25÷5= 0.05×6=

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0.15×0.4= 0.7÷100=

0.91÷9.1= 0÷3.66= 7.2÷0.12= 0.8×25= 7.2×0.01= 0.1÷0.125= 0.36＋1.54＝ 1.01 420÷35＝ 25135÷0.5＝ 0.512.1×40÷10= 2.814－7.4＝ 1.920.4×0.8＝ 48.53×0.99 = 7.35.8×0.29= 5.8 3.6÷2= 11.2÷0.2= ×99＝ ×12＝ ÷17＝ ×0.4＝ ÷0.04＝ ×0.2＝ ×5= ×2.9=

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6.2×0.03＝ 0.125×0.125＝ 9.9×2.5×0.4＝ 9×0.18＝ 0.25×16＝ 0.7×8＝ 7×0.05= 0.45×2=

7.2×0.9= 2.51×104=