5/1x9/2+9/7除以5有简便方法
问题描述:
5/1x9/2+9/7除以5有简便方法
答
(2/9 * 4/7 + 7/9)/(7/4) = (2/9 * 4/7)/(7/4) + (7/9)/(7/4) = 32/441 + 4/9 = 76/141 2 (1/10 + 3/4)/(5/6 )
5/1x9/2+9/7除以5有简便方法
(2/9 * 4/7 + 7/9)/(7/4) = (2/9 * 4/7)/(7/4) + (7/9)/(7/4) = 32/441 + 4/9 = 76/141 2 (1/10 + 3/4)/(5/6 )