3.6÷0.5=7…
0.1
0.1
,35.12÷18的商用循環(huán)小數(shù)的簡便記法表示是
1.95
?
1
1.95
?
1
分析:①計算小數(shù)除法,先把除數(shù)擴(kuò)大若干倍變成整數(shù),除數(shù)擴(kuò)大幾倍,要使商不變,被除數(shù)也要擴(kuò)大幾倍,這樣處理,余數(shù)也要擴(kuò)大幾倍,要求原來的余數(shù),再把余數(shù)縮小幾倍;
②循環(huán)小數(shù)的簡便記法為:把循環(huán)節(jié)寫一遍,在循環(huán)節(jié)的首位和末位的上面各記一個小圓點.
解答:解:①3.6÷0.5=7…0.1,
②35.12÷18的商用循環(huán)小數(shù)的簡便記法表示是:1.95
?
1

故答案為:0.1,1.95
?
1
點評:此題考查小數(shù)除法的計算方法和循環(huán)小數(shù)的簡便記法.
練習(xí)冊系列答案
相關(guān)習(xí)題

科目:小學(xué)數(shù)學(xué) 來源: 題型:

0.7+0.9=
1.6
1.6
0.125×80=
10
10
8.24+3.76=
12
12
62.5×80=
5000
5000
4.1-3.8=
0.3
0.3
0.32÷16=
0.02
0.02
14+0.78=
14.78
14.78
6.4÷16=
0.4
0.4
14.6-0.34=
14.26
14.26
5÷10=
0.5
0.5
1.3+8.56=
9.86
9.86
0.7-0.55=
0.15
0.15
2.4×5=
10
10
1-0.03=
0.97
0.97
8.1÷3=
2.7
2.7
3.6÷12=
0.3
0.3
250×0.04=
10
10
30.5+3.05=
33.55
33.55
3.75×400=
1500
1500
0.78+2.2=
2.98
2.98
1.5×8=
12
12
6×1.5=
9
9
25×0.04=
1
1
9.6÷16=
0.6
0.6
5-0.08=
4.92
4.92
3.25+0.75=
4
4
10-0.1=
9.9
9.9
0.17×4=
0.68
0.68
7.4÷2=
3.7
3.7
0.16÷8=
0.02
0.02

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:

口算
9.5×100=
1.25×8 0.25×0.9×4= 1.87×0=
3.5-1.5= 1.2×0.4= 3.6×0.5= 0.6×5=
0.24+0.6= 0.64×0.03= 7.8+2.2-1.5= 8×0.05=
0.125×8= 1.3×4= 0.4×0.6= 3×0.08=
0.35×2= 2.9×0.3= 10-0.9= 5.67×0=
0.8×0.01= 2.5×0.2= 2.4×0.3= 1.6×0.25=
0.17×0.3= 15×0.01= 10×0.07= 0.7×0.05=
0.2×0.05= 7.8×0.01= 0.2×0.26= 0.04×4=
12.4+2.1= 0.08×0.5= 0.14×4= 9×2.5+9×1.5=
1.8×0.5= 2.3×5= 0.3×3.6= 8×0.9+8×2.1=
2.5×4= 0.8+2.7×2= 0.05×7= 4.8+2.1+7.9=
3.4-1.8= 2.5+0.2×2= 0.02×0.1= 5.4-2.8=
0.3×0.2= 3.5×2×0.1= 0.3×0.3= 0×10.3×2.2=
0.12×0.7= 0.2×0.5= 0.92×0.4= 6.7-1.43=
1.2×4= 1.3×2= 1.2×0.3= 4.6+5.08=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:閱讀理解

4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8=
6×3.4= 0.62-0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7-3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 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= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24= 4.5-0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5= 2.8+4.2= 0.84÷2.1= 5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
0.56÷0.8= 7.4-2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02= 8+7.2= 1.2×30= 0.012×0.2=
7.3×0.3= 9÷6= 3.6÷0.12= 7.8÷0.6=
2÷5= 4.5+5= 0.3÷0.6= 0.96÷0.2=
10.5×0.4= 7.3+0.27= 8×0.125= 0.54÷0.6=
0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4=
11-9.4= 0.8×0.11= 0.72+12.8= 5.6÷0.01=
2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
0.7÷0.8= 16-5.07= 4.2×0.4= 0.72×6=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41+3.7= 0.02×0.5= 7.2-0.8= 1.4×0.5=
84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
1.75+32.5= 16-5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02= 1.29×6=
0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
1.24÷4= 3.27+0.63= 5.02×0.3= 0.3×0.5=
6.4÷4= 7.2÷1.8= 0.7÷0.35= 0.72÷1.44=
0.48÷0.04= 1.25÷2.5= 5.5+55= 16.8÷8=
0.54+2.2= 3.5-0.05= 2÷0.02= 0.25×40=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5+52.5= 0.45×102= 1.25×88= 2.64+3.85+1.54=
8×1.25= 5.6÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101= 0.65×101-0.65= 2.6×7÷2.6×7=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:解答題

9.5×100=1.25×80.25×0.9×4=1.87×0=
3.5-1.5=1.2×0.4=3.6×0.5=0.6×5=
0.24+0.6=0.64×0.03=7.8+2.2-1.5=8×0.05=
0.125×8=1.3×4=0.4×0.6=3×0.08=
0.35×2=2.9×0.3=10-0.9=5.67×0=
0.8×0.01=2.5×0.2=2.4×0.3=1.6×0.25=
0.17×0.3=15×0.01=10×0.07=0.7×0.05=
0.2×0.05=7.8×0.01=0.2×0.26=0.04×4=
12.4+2.1=0.08×0.5=0.14×4=9×2.5+9×1.5=
1.8×0.5=2.3×5=0.3×3.6=8×0.9+8×2.1=
2.5×4=0.8+2.7×2=0.05×7=4.8+2.1+7.9=
3.4-1.8=2.5+0.2×2=0.02×0.1=5.4-2.8=
0.3×0.2=3.5×2×0.1=0.3×0.3=0×10.3×2.2=
0.12×0.7=0.2×0.5=0.92×0.4=6.7-1.43=
1.2×4=1.3×2=1.2×0.3=4.6+5.08=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:解答題

4.7+2.3=4.5×2=6.9-2.5=7.2×0.8=
6×3.4=0.62-0.32=1.4×0.5=0.75×100=
0.02×0.5=3.6÷0.3=6.3÷7=5.6÷100=
0.75÷0.25=0.125×8=4.8÷0.3=0.96÷2=
0.56÷28=0.36÷0.4=0.64÷0.8=0.72÷3.6=
3.6÷24=0.8×1.1=7.2+12.8=46.7-3.8=
12.8÷4=5.2÷13=12.5÷5=1.64÷41=
10÷20=24÷15=8.65×10=0.35×0.6=
3.08×0.01=4.95×1000=6.9×0.1=0.4×0.5=
2.4÷0.8=10.8÷9=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=0.125×4=3.28×0.1=3.9÷0.13=
7.2×0.1=0.01×0.1=0.25×0.4=1.6÷0.8=
1÷2.5=1.25×0.8=3.2÷0.04=0÷1.7=
0.22×102=9.6÷0.8=5×0.24=4.5-0.05=
3.9÷0.1316.5÷0.5=5×0.12=24×0.5=
4.8×0.5=2.8+4.2=0.84÷2.1=5÷0.25=
7.8÷0.01=5.4÷0.6=3.2÷5=7×0.62=
0.56÷0.8=7.4-2.8=0.18÷0.2=0.16÷8=
4.5×0.02=8+7.2=1.2×30=0.012×0.2=
7.3×0.3=9÷6=3.6÷0.12=7.8÷0.6=
2÷5=4.5+5=0.3÷0.6=0.96÷0.2=
10.5×0.4=7.3+0.27=8×0.125=0.54÷0.6=
0.61+0.39=0.56÷28=10÷20=4.08÷0.4=
11-9.4=0.8×0.11=0.72+12.8=5.6÷0.01=
2.3×100=0.75×100=0.108÷2=10.8÷9=
0.7÷0.8=16-5.07=4.2×0.4=0.72×6=
12÷0.5=5.2×0.4=12.2÷0.2=5.6÷100=
0.41+3.7=0.02×0.5=7.2-0.8=1.4×0.5=
84÷0.21=0.75÷0.25=2.5×16=0.108÷2=
1.75+32.5=16-5.07=5.2÷13=1.64÷41=
1.02×0.2=0.26×0.3=8.4×0.02=1.29×6=
0.8×0.05=12.6÷0.03=8.71÷0.1=21÷0.21=
0.8×0.13=0.34÷17=8.08÷0.4=0.5×2.2=
1.24÷4=3.27+0.63=5.02×0.3=0.3×0.5=
6.4÷4=7.2÷1.8=0.7÷0.35=0.72÷1.44=
0.48÷0.04=1.25÷2.5=5.5+55=16.8÷8=
0.54+2.2=3.5-0.05=2÷0.02=0.25×40=
1.5×0.6=0.32÷0.8=12.25÷0.5=73.5×0.1=
46.5+52.5=0.45×102=1.25×88=2.64+3.85+1.54=
8×1.25=5.6÷3.5=4.2÷0.7÷6=0.4×8.6×25=
0.27÷0.3=2.5×101=0.65×101-0.65=2.6×7÷2.6×7=

查看答案和解析>>

同步練習(xí)冊答案