5+5+5+5+5+5+20=________×________+________．
5 6 20
分析：根據(jù)乘法的意義，求幾個(gè)相同加數(shù)的和的簡(jiǎn)便運(yùn)算叫做乘法．據(jù)此解答即可．
解答：5+5+5+5+5+5+20=5×6+20，
故答案為：5、6、20．
點(diǎn)評(píng)：此題考查的目的是理解乘法的意義，明確：乘法是加法的簡(jiǎn)便運(yùn)算．
科目：小學(xué)數(shù)學(xué)
來(lái)源：
題型：
在一次體檢中，紅星小學(xué)5（1）班男、女生平均視力如下：
男生（24人）：
5.1 5.2 5.0 4.6 4.8 5.3 5.1 5.2 5.1 5.2 5.0 4.6 5.0 5.1 5.1 4.6 4.8 5.1
5.1 4.0 5.2 5.0 5.1 4.9
女生（24人）：
5.0 5.1 4.9 4.6 4.7 5.2 5.1 5.0 5.1 4.9 5.0 4.5 5.0 4.9 5.1 4.6
4.8 5.1 5.2 4.3 4.2 5.0 4.9 4.9
將上面的數(shù)據(jù)進(jìn)行整理，再填寫(xiě)下表：
|
4.9及4.9以下 |
5.0～5.1 |
5.2及5.2以上 |
| 男生 |
|
|
|
| 女生 |
|
|
|
（1）這次體檢這個(gè)班視力在哪個(gè)范圍內(nèi)的人最多？
（2）請(qǐng)你根據(jù)整理的數(shù)據(jù)，對(duì)這個(gè)班同學(xué)的視力情況談?wù)勀愕目捶ǎ?/div>
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科目：小學(xué)數(shù)學(xué)
來(lái)源：
題型：
| 180÷60= |
12×25= |
0÷90= |
| 4×5÷4×5= |
0.25×4+4= |
131+218+269+182= |
| 25×6×4= |
420÷35= |
36×5×4= |
| 120÷5÷3= |
198-75-25= |
120-20÷5= |
| 59億-58億= |
（1.3+3.5）÷0.6= |
75÷2.5= |
| 0.45÷1.25÷8= |
2.5×7.6×4= |
97.6÷0.02= |
| 8.8-（0.25+0.4）= |
0.25+87+0.75= |
0.8-0.35×2= |
| 0.1÷0.01×0.1= |
9.9+9.9×99= |
2.7×3.6+6.4×2.7= |
| 720÷8÷9= |
2.9+5.7+2.1= |
2-0.16-0.64= |
| 16.7+84.5-16.7= |
6.8-（3.8+2.9）= |
9×1.3+9×6.7= |
| 5.5-5.25+5.2= |
0.8×25-10= |
42.8×25×4= |
| 7.2+2.8= |
0.9÷0.01= |
3.5+7.6= |
| 3×0.2×0.5= |
0.96÷0.3= |
1.5×0.4= |
| 7÷0.25= |
2.5×0.7×0.8= |
8-2.5= |
| 16÷1.6= |
5.6×1.01= |
8×（2.5+0.25）= |
| 0.36+0.64= |
64.32÷16= |
72.8÷0.8= |
| 8.4×0.2+1.6×0.2= |
8.4÷4.2= |
0.05×0.8= |
| 2.56-0.37= |
1.23×3= |
25×0.8×0.5= |
| 12×2.5= |
3.2÷1.6= |
3.5+3.5×3= |
| 19.6÷2= |
8.8÷2.2= |
3.9+2.03= |
| 7.2×0.3+2.8×0.3= |
13.8+9.9= |
2.4×2.5= |
| 0.75×4= |
（1.5+0.25）×4= |
4.2÷0.1= |
| 4.2÷3.5= |
2.14-0.9= |
27+456+73= |
| 12÷0.3= |
2.87÷0.7= |
13÷4= |
| 24÷4+56÷4= |
2.1×0.3÷2.1= |
2.3-0÷8.1= |
| 1.37-1.37÷1.37= |
4.4÷（5×0.2）= |
7×1.3= |
| 0.96÷0.06= |
0.36×0.3= |
0.35÷0.7= |
| 13.65÷13= |
4×0.8×0.25×1.25= |
13+0.7÷0.7= |
| 7.05×23.7+7.05×76.3= |
0.125×3.2×2.5= |
（12+23.1÷0.75）×0.4-5.12= |
| 728+199= |
637-201= |
16×25= |
| 1.6×[（12-7.2）÷（0.84÷2.1）]= |
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科目：小學(xué)數(shù)學(xué)
來(lái)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= |
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科目：小學(xué)數(shù)學(xué)
來(lái)源：
題型：
（1）比較下面各數(shù)并用小于號(hào)連接起來(lái)．
0.955
9.5% 0.97
（2）比較大�。⒂么笥谔�(hào)連接起來(lái)．
1.
1.
1.51
156%
．
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科目：小學(xué)數(shù)學(xué)
來(lái)源：
題型：解答題
| 180÷60= | 12×25= | 0÷90= |
| 4×5÷4×5= | 0.25×4+4= | 131+218+269+182= |
| 25×6×4= | 420÷35= | 36×5×4= |
| 120÷5÷3= | 198-75-25= | 120-20÷5= |
| 59億-58億= | （1.3+3.5）÷0.6= | 75÷2.5= |
| 0.45÷1.25÷8= | 2.5×7.6×4= | 97.6÷0.02= |
| 8.8-（0.25+0.4）= | 0.25+87+0.75= | 0.8-0.35×2= |
| 0.1÷0.01×0.1= | 9.9+9.9×99= | 2.7×3.6+6.4×2.7= |
| 720÷8÷9= | 2.9+5.7+2.1= | 2-0.16-0.64= |
| 16.7+84.5-16.7= | 6.8-（3.8+2.9）= | 9×1.3+9×6.7= |
| 5.5-5.25+5.2= | 0.8×25-10= | 42.8×25×4= |
| 7.2+2.8= | 0.9÷0.01= | 3.5+7.6= |
| 3×0.2×0.5= | 0.96÷0.3= | 1.5×0.4= |
| 7÷0.25= | 2.5×0.7×0.8= | 8-2.5= |
| 16÷1.6= | 5.6×1.01= | 8×（2.5+0.25）= |
| 0.36+0.64= | 64.32÷16= | 72.8÷0.8= |
| 8.4×0.2+1.6×0.2= | 8.4÷4.2= | 0.05×0.8= |
| 2.56-0.37= | 1.23×3= | 25×0.8×0.5= |
| 12×2.5= | 3.2÷1.6= | 3.5+3.5×3= |
| 19.6÷2= | 8.8÷2.2= | 3.9+2.03= |
| 7.2×0.3+2.8×0.3= | 13.8+9.9= | 2.4×2.5= |
| 0.75×4= | （1.5+0.25）×4= | 4.2÷0.1= |
| 4.2÷3.5= | 2.14-0.9= | 27+456+73= |
| 12÷0.3= | 2.87÷0.7= | 13÷4= |
| 24÷4+56÷4= | 2.1×0.3÷2.1= | 2.3-0÷8.1= |
| 1.37-1.37÷1.37= | 4.4÷（5×0.2）= | 7×1.3= |
| 0.96÷0.06= | 0.36×0.3= | 0.35÷0.7= |
| 13.65÷13= | 4×0.8×0.25×1.25= | 13+0.7÷0.7= |
| 7.05×23.7+7.05×76.3= | 0.125×3.2×2.5= | （12+23.1÷0.75）×0.4-5.12= |
| 728+199= | 637-201= | 16×25= |
| 1.6×[（12-7.2）÷（0.84÷2.1）]= |
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