五年級(jí)數(shù)學(xué)口算競(jìng)賽題 姓名：

1.5×4= 2.5×4 = 0.13× 4= 2.4-0.8= 5.4÷10= 4.2×1000= 0.45÷0.15= 3.6÷0.1= O .75+0.8 = 8.5×100= 3.2÷100= 0.18×0.3= 8.5÷ 1.7= 1.2÷0.3 = 0.49÷0.7= O .04×25= 0.096÷0.03= 84÷4.2= 1000×0.756= 0.5×100= 8.5÷ 1.7= 2.5×1.47×0.4= 0÷0.25= 1÷0.01= 1.25×8= 3.8×2= 7.2÷0.9= 1.6×0.2= 9.3÷0.3= 4÷0.4= 4.2×1000= 0.45÷0.15= 3.6÷0.1= 8.5×100=

3.2÷100= 1.2÷0.3= 0.49÷7= 0 .04×25= 0.096÷0.03= 84÷4.2= 1000×0.756= 0.5×100= 0÷0.25= 1÷0.01=

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= 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= 1.25×4=

4×0.25= 0.4÷8= 1.8×0.5= 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= 0.15×8= 7.2÷0.6=

4.2÷1.4= 3.9÷3.9= 0÷6.81= 1.47×0.4= 0.4×0.25＝

1.5×4= 2.5×4= 0.13×4= 5.4÷10= 0.18×0.3=

0.45÷0.5= 0.2÷0.01=