8/5÷6/5×(4/1+25%)
8/5÷6/5×(1/4+25%)
8/5÷6/5×(4/1+25%)
5/8÷5/56×(1/4+25%)
能简算要简算3/5÷1/4÷6÷14/1523/25÷(3/4÷2/5)15/16÷(5/12÷5/8+3/8)
7/25÷8/5+3/25×7/8简便计算 (1/36÷1/4+1/9)÷5/6简便计算
能简算的要简算 (1)8/75÷4/25+6/25×5/12 (2)20-1/4×2/5 (3)5/6×(7/10+4/
[25/24-(3/8+1/6-3/4)×24]÷(-5)
简算:25×(-0.125)÷(-1/4)×(-4/5)×(-8)÷4/5
5/12X+1/4=8/21 1/5*÷X=6/25
8*x=25/6÷1/5 20÷(4/3-2/5) 7.2*8-10x=36
用简便算:6÷3/5-3/5÷6 360÷15-2.5×1.4 4/25+4÷(3/8-1/8) 要有运算过程
5/7×(12/25-1/5)+4/15 5/8×60/13+5/13÷8/5