-0.5²+1/4-|-2²-4|-(-3/2)³*4/9
(-3)³÷9/4×(-2/3)²+4-2²×(-1/3)
计算:(-2)³×9/4+(-3/2)²÷(-1/2)³
(-2*5)³-(-1+-7/9)*(-3/4)²-(-1/0.1)²=?
(2³-1²)+(4²-3²)+.(2006²-2005²)
4x²-1/3x²-x·9x³-x/2x^4-x³计算 急
-2³÷4/9×(-2/3)²+(-0.8)-5×(-1/4)
1³+2³+3³+4³+5³为什么等于15²
(根号3)²-4×根号1/4-(-2)³+(³根号2)³
(3a^-2b^-4)²·(2a³b³)²/(3^-1a²b³
-1²×2+(-2)³÷4-(-3)
(1) 4x²-16 (2) xy-9x³y (3) 12abc-3bc² (4) a
1²-2²+3²-4²+...+9²-10²等于多少(简便方