The first volume of the fifth grade of People's Education Press is easy to make mistakes in math oral calculation.
6-0.6×0.6 47÷ 1.25÷0.8 6. 1×3.6+3.9×3.6 3.25×4.7-3.25×0.7 7÷8 + 3÷8
0. 1×5.8 0.47÷47 0.6+0.6÷0. 1 0.8÷ 1.25 0.7+ 1.2+0.3+ 1.8 13+ 13×0. 1
1÷6 + 1÷2 - 1÷6