(3/4-5/6)*12/5+5/4

(3/4-5/6)*12/5+5/4 5/12x(5/6+3/4)+5/4= 12+6/4-3+5/4= 计算3×4+4×5+5×6+.+12×13则么算 (5/12+1/6-3/4)×(-24) 5.2-(-3/4)+(+5/6)-(-7/12) 化简;12分之5:4分之3:6分之5 (3/4-12/5/0.375+6/5)/0.95-9/10 计算,12+5/6x(5/4-3/1) 计算：12/5×（5/6+3/4）＋52％ 3,4,5,6, 3 4 5 6 3,4,5,6, 3,4,5,6, 5/6:3/4 3,4,5,6, 3,4,5,6, 3 4 5 6