(-2×10¹²)÷(-2×10³)³÷(0.5×10²)²
(-2)³×0.5-(-1.6)²÷(-2)²
(1)(a³)²÷(a²)³(2)(ab²)³÷(-ab)&
计算:(-1.5×10²)²×(4×10³)³×(2×10的4次方)²
-1²-(10/7-12÷6)²×(-3/4)³
计算:(-a)²(-a)³-2[(a³)³÷(-a²)²]
1²³+4²-8³×4÷2-4+10=
计算:(3x³y)²*(4y)²÷(2xy)³
[0²+(-0.5³)]÷2
已知x²-y²=10,求[(x+y)³-2y(x+y)²-4(x+y)]÷(x+
(2x³y)²×(-2xy)+(2x³y)³÷(2x²)计算
(1)(4a²b-10b³)+(-3a²b²+10b³) (2) (4
(2011³-2×2011²-2009)÷(2011³+2011²-2012)=