口算练习

7.8×10= 0.6×100= 3.71×10= 4.5×1000= 0.92×100= 6÷12＝ 0.87－0.49＝ 5.2×10= 0.28×1000= 6.12×10= 0.479×100= 17.6×1000= 5÷100= 21.3÷10= 14.17÷100= 9.2÷10=

7.13÷10= 1÷100= 0.43÷10= 278.6÷1000= 53.4÷100= 38.2÷100= 2.33÷10= 4.56÷100= 9.02÷10= 70.77÷100= 356.8÷1000= 3.2×3= 1.4×0.5= 0.08×6= 1.5×0.3= 0.71×2=

0.25×4= 1.25×8= 4.3×2= 1.2×0.4= 0.6×0.9= 3.4×0.3= 5×0.6= 4.5×2= 0.03×0.5= 1.6×0.3= 0.23×3= 5.1×2= 9×0.3= 7.1×3= 1.5×6= 0.9×0.4×10=

0.68×8×1.25= 7.1×0.25×4= 16.4×2.9+16.4×7.1= 3.2×2.8+3.2×7.2= 7.5-(2.5+3.8)= 7.2÷3= 8.4÷4= 0.65÷5= 0.93÷3= 2.7÷9= 3.8÷2= 5.4÷0.8= 4.6÷2= 1.8÷0.3=