题目内容
| 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= |
| 解：4.7+2.3=7 | 4.5×2=9 | 6.9-2.5=4.4 | 7.2×0.8=5.76 |
| 6×3.4=20.4 | 0.62-0.32=0.3 | 1.4×0.5=0.7 | 0.75×100=75 |
| 0.02×0.5=0.01 | 3.6÷0.3=12 | 6.3÷7=0.9 | 5.6÷100=0.056 |
| 0.75÷0.25=3 | 0.125×8=1 | 4.8÷0.3=16 | 0.96÷2=0.48 |
| 0.56÷28=0.02 | 0.36÷0.4=0.9 | 0.64÷0.8=0.8 | 0.72÷3.6=0.2 |
| 3.6÷24=0.15 | 0.8×1.1=0.88 | 7.2+12.8=20 | 46.7-3.8=42.9 |
| 12.8÷4=3.2 | 5.2÷13=0.4 | 12.5÷5=2.5 | 1.64÷41=0.04 |
| 10÷20=0.5 | 24÷15=1.6 | 8.65×10=86.5 | 0.35×0.6=0.21 |
| 3.08×0.01=0.0308 | 4.95×1000=4950 | 6.9×0.1=0.69 | 0.4×0.5=0.2 |
| 2.4÷0.8=3 | 10.8÷9=1.2 | 9.6÷0.8=12 | 0.108÷2=0.054 |
| 4.95÷0.9=5.5 | 9.65÷0.1=96.5 | 0.325×100=32.5 | 2.5×8=20 |
| 0.56÷0.7=0.8 | 0.125×4=0.5 | 3.28×0.1=0.328 | 3.9÷0.13=30 |
| 7.2×0.1=0.72 | 0.01×0.1=0.001 | 0.25×0.4=0.1 | 1.6÷0.8=2 |
| 1÷2.5=0.4 | 1.25×0.8=1 | 3.2÷0.04=80 | 0÷1.7=0 |
| 0.22×102=22.44 | 9.6÷0.8=12 | 5×0.24=1.2 | 4.5-0.05=4.45 |
| 3.9÷0.13=30 | 16.5÷0.5=33 | 5×0.12=0.6 | 24×0.5=12 |
| 4.8×0.5=2.4 | 2.8+4.2=7 | 0.84÷2.1=0.4 | 5÷0.25=20 |
| 7.8÷0.01=780 | 5.4÷0.6=9 | 3.2÷5=0.64 | 7×0.62=4.34 |
| 0.56÷0.8=0.7 | 7.4-2.8=4.6 | 0.18÷0.2=0.9 | 0.16÷8=0.02 |
| 4.5×0.02=0.09 | 8+7.2=15.2 | 1.2×30=36 | 0.012×0.2=0.0024 |
| 7.3×0.3=2.19 | 9÷6=1.5 | 3.6÷0.12=30 | 7.8÷0.6=13 |
| 2÷5=0.4 | 4.5+5=9.5 | 0.3÷0.6=0.5 | 0.96÷0.2=4.8 |
| 10.5×0.4=4.2 | 7.3+0.27=7.57 | 8×0.125=1 | 0.54÷0.6=0.9 |
| 0.61+0.39=1 | 0.56÷28=0.02 | 10÷20=0.5 | 4.08÷0.4=10.2 |
| 11-9.4=1.6 | 0.8×0.11=0.088 | 0.72+12.8=13.52 | 5.6÷0.01=560 |
| 2.3×100=230 | 0.75×100=75 | 0.108÷2=0.054 | 10.8÷9=1.2 |
| 0.7÷0.8=0.875 | 16-5.07=10.93 | 4.2×0.4=1.68 | 0.72×6=4.32 |
| 12÷0.5=24 | 5.2×0.4=2.08 | 12.2÷0.2=61 | 5.6÷100=0.056 |
| 0.41+3.7=4.11 | 0.02×0.5=0.01 | 7.2-0.8=6.4 | 1.4×0.5=0.7 |
| 84÷0.21=400 | 0.75÷0.25=3 | 2.5×16=40 | 0.108÷2=0.054 |
| 1.75+32.5=34.25 | 16-5.07=10.93 | 5.2÷13=0.4 | 1.64÷41=0.04 |
| 1.02×0.2=0.204 | 0.26×0.3=0.078 | 8.4×0.02=0.168 | 1.29×6=7.74 |
| 0.8×0.05=0.04 | 12.6÷0.03=420 | 8.71÷0.1=87.1 | 21÷0.21=100 |
| 0.8×0.13=0.104 | 0.34÷17=0.02 | 8.08÷0.4=20.2 | 0.5×2.2=1.1 |
| 1.24÷4=0.31 | 3.27+0.63=3.9 | 5.02×0.3=1.506 | 0.3×0.5=0.15 |
| 6.4÷4=1.6 | 7.2÷1.8=4 | 0.7÷0.35=2 | 0.72÷1.44=0.5 |
| 0.48÷0.04=12 | 1.25÷2.5=0.5 | 5.5+55=60.5 | 16.8÷8=2.1 |
| 0.54+2.2=2.74 | 3.5-0.05=3.45 | 2÷0.02=100 | 0.25×40=10 |
| 1.5×0.6=0.9 | 0.32÷0.8=0.4 | 12.25÷0.5=24.5 | 73.5×0.1=7.35 |
| 46.5+52.5=99 | 0.45×102=45.9 | 1.25×88=110 | 2.64+3.85+1.54=8.03 |
| 8×1.25=10 | 5.6÷3.5=1.6 | 4.2÷0.7÷6=1 | 0.4×8.6×25=8.6 |
| 0.27÷0.3=0.9 | 2.5×101=252.5 | 0.65×101-0.65=65 | 2.6×7÷2.6×7=49 |
分析：根据小数四则混合运算的顺序计算，大多是口算较简单．
点评：此题主要考查了学生的口算能力．
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