直接写得数。5.1÷0.01= 1÷1.75= 4.1+4.1÷2= ×5.6=1÷﹣÷1= +﹣+= 2÷10%= ×4÷4×=
竖式计算:
竖式计算: 315×3= 404×3=
竖式计算: 308×9= 752×6=
竖式计算: 310×4= 182×5=