1、A 1.5×4= 2.5×4= 0.13× 4= 5.4÷10= 0.18×0.3= 4.2×1000= 0.45÷0.15= 3.6÷0.1= 8.5×100= 8.5÷ 1.7= 3.2÷100= 1.2÷0.3 = 0.49÷7= 0 .04×25= 0.096÷
2、0.03= 84÷4.2= 1000×0.756= 0.5×100= 0÷0.25= 1÷0.01= B 1.25×8= 3.8×2= 7.2÷0.9= 1.6×0.2= 9.3÷0.3= 4÷0.4= 0.45÷0.5 0.2÷0.01= 0.9×6=
3、 2.1×0.3= 7×0.08= 1.87×0= 0.24×5= 0.2×0.5= 60×0.5= 0.05×1.6= 0.5×1.1= 0.8×0.5= 6÷0.12= C 1.25×4= 4×0.25= 0.4÷8= 1.8×0.5= 8÷0.5= 0.32÷
4、16= 2.5÷10= 6.3÷2.1= 0.92÷4= 80÷1.6= 6.2+1.7= 0.56÷14= 1.6÷0.8= 6.3÷9= 0.15×8= 7.2÷0.6= 4.2÷1.4= 3.9÷3.9= 0÷6.81= 1.47×0.4= D 0.4×0.25= 0
5、8×7= 1.5×7= 1.32×8= 0.7×8= 10.3×2= 5×0.6= 3.21×23=73.83 3.21×2.3= 32.1×2.3= 32.1×0.23= 3.21×0.23= 321×0.023= 0.9×0.3= 3.5×0.2= 2.01×0= E 10×0.05=
6、 0.13×7= 0.21×100= 0.7×4= 0.05×4= 4×0.3= 12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1= 2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= F 0.9×0.3= 1×0.06= 9×0.5=
7、 1.25×8= 1-0.73= 0.6×8= 2.05×100= 0.04×0.3= 0.4×0.25= 1.25×8= 1.6×5= 0.9+1.4= 0.2×0.4= 8.2+1.8= 100-35.22= G 2.5×0.4= 2.4×5= 0.22×4= 0.9-0.52=
8、 3.99×1= 0×3.52= 7.2÷6= 4.4÷4= 3.6÷3= 5.2÷2= 1.5×3= 1.2×0.4= 3.6÷3= 2.7÷3= 0.12÷3= 0.45÷9= 3.6÷6= 2.7÷2= 1.2÷3 = H 0.45÷4=
9、 2.5÷5= 8.4÷7= 0.34÷17= 2.5÷0.5= 8.4÷0.7= 0.34÷0.17= 30.4÷4= 1.2×6= 0.72÷0.6= 2.6÷1.3= 0.6×0.3= 0÷3.65= 7.82÷1 = 1.4÷0.7= I 3.6÷0.06= 5.6÷0.9= 0.4
10、8÷0.8= 4.4÷0.11= 4.2×3 = 0.3÷0.01= 4÷0.5= 5.1÷0.17= 0.9÷0.45= 9.6÷16= 1÷0.01 = 3÷4= 8.1÷9= 2.5×4= 3.6+6.3= 0.05×4= 3.5×0= 1-0.08= 3.5×0.01= J
11、1.25÷0.25= 3.9+0.39= 4.8+5.2= 0.5×0.4 = 6.4÷4﹦ 1.5÷0.3﹦ 4.2×3﹦ 2.5×2= 0.5×10= 0.6×8= 2.1×2= 2.8×10= 0.7×0.8= 0.04×20= 5.6+0.4= 4.7+2.3= 4.5×2= 6.9-2
12、5= 7.2×0.8= K 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= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.64÷0
13、8= 0.7×9= 3.6÷24= 0.8×1.1= 7.2+12.8= 46.7-3.8= L 12.8÷4= 5.2÷13= 12.5÷5= 1.64+4.1= 10÷20= 24÷15= 8.65×10= 0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1=
14、 0.4×0.5= 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= M 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=
15、 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= N 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=
16、 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= O 7.3×0.3= 0÷6= 3.6÷0.12= 7.8÷0.6= 2÷5= 4.5+5= 0.3÷0.6= 0.96÷
17、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= 10-9.4= 0.8×0.11= 7.2+12.8= 5.6÷0.01= P 2.3×100= 0.75×100= 0.108÷2= 10.8÷9= 7.8÷0.01=
18、 5.4÷0.6= 3÷5= 7×0.62= 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= Q 84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2= 1.75+32.5= 16-5.07= 5.2÷13
19、 1.64÷41= 1.02×0.2= 0.26×0.3= 8.4×0.02= 1.2×6= 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= R 1.24×4= 3.27+0.63= 5.02×0.3=
20、 0.3×0.5= 5.6÷7= 72÷ 7.2= 0.7÷0.35= 0.7÷1.4 0.48÷0.04= 1.25÷2.5= 5.5+5.5= 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=
21、 S 46.5+52.5= 0.45×102= 1.25×88= 2.64+3.85+1.54= 8×1.25= 7÷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= 0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100= 7.8÷0.01=
22、 5.4÷0.6= 3.2÷5= 7×0.62= T 1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1= 2.5×2= 0.5×10= 0.6×8= 2.1×2= 0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4= 1.5×4= 2.5×4= 0.13×
23、4= 5.4÷10= U 0.18×0.3= 4.2×1000= 3.6÷0.1= 8.5×100= 8.5÷ 1.7= 3.2÷100= 1.2÷0.3= 0.49÷7= 0.04×25= 0.096÷0.03= 84÷4.2= 1000×0.756= 0.05×1.6= 0.5×1.1= 0.8×0.5=
24、6÷0.12= 1.25×4= 4×0.25= 0.4÷8= 1.8×0.5= V 8÷0.5= 0.32÷16= 2.5÷10= 6.3÷2.1= 0.92÷4= 80÷1.6= 6.2+1.7= 0.56÷14= 1.6÷0.8= 6.3÷9= 0.1
25、5×8= 7.2÷0.6= 4.2÷1.4= 3.9÷3.9= 0÷6.81= 1.47×0.4= 0.4×0.25= 0.8×7= 1.5×7= 1.32×8= W 0.7×8= 10.3×2= 5×0.6= 3.21×23=73.83 3.21×2.3= 32.1×2.3= 3
26、2.1×0.23= 3.21×0.23= 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= X 7.3×0.3= 0÷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= 7 / 7






