-5+(-0.2*3/5)÷(-2)³-(2-5)²=?
-5+(-0.2*3/5)÷(-2)³-(2-5)²=?
(1)1-7+3x/8=3x-10/4-x (2)-3³-[-5-0.2÷4/5×(-2)²]
( )÷(-2a²)=-2+3a-4a²+5a³
-1²-(-2)³÷(5-7)
﹣5+(﹣0.2×3/5﹚÷﹙﹣2﹚³-﹙2-5﹚²
(1)-18÷(-3)²+5×(-1/2)³-(-15)÷5
已知3x-5y=0,求(2x³-3xy-5y²)÷(5x²+2y²)的值
-1^2013+(-5)^2÷|-5/6|*2/5-4²÷(-2)³
(x³-1)÷(x-1)=?(9x³-6x²-5x+2)÷(3x-1)=?计算
-4³÷﹙﹣2﹚²×1/5
-2³÷4/9×(-2/3)²+(-0.8)-5×(-1/4)
计算:-2/3×[3²×(-2/3)²+(-2)³]÷(-18/5)