1-(1-0.5)²×1/5×[2+(-3)³]
1-(1-0.5)²×1/5×[2+(-3)³]
-1³-(1-0.5)×3分之1×(2-(-3²))
2-[1-(二分之一×三分之二-1)]×(-0.75)+(-0.5)³×5²
计算:-2³-(1-0.5)*3分之1*[2-(-3)²]
(1)-18÷(-3)²+5×(-1/2)³-(-15)÷5
(-1)³(3a³b²)³(-2/3a²b³)³
-2³-(1-0.5)*3分之1*[2-(-3)²]
【1】(-2)³+√(-4)²+³√(-4)³乘(-1/5)²
(-2)³-2×(-3)+[2-5]-(-1)²
解方程:0.25x-4分之1=x+0.5 计算:-2³-(1-0.5)*3分之1*[2-(-3)²]
-2³÷4/9×(-2/3)²+(-0.8)-5×(-1/4)
计算(-x³+2x²-5)(2x²-3x+1)