9分之10的3分之1是6分之5与5分之4的和的几分之几?
问题描述:
9分之10的3分之1是6分之5与5分之4的和的几分之几?
答
[(10/9) * (1/3)] / [(5/6) + (4/5)] = (10/27) / (49/30) = (10/27) * (30/49) = 100/441
9分之10的3分之1是6分之5与5分之4的和的几分之几?
[(10/9) * (1/3)] / [(5/6) + (4/5)] = (10/27) / (49/30) = (10/27) * (30/49) = 100/441