1÷[(-2)²×0.5²-(-2.24)÷(-2)³]-1又7/18
1÷[(-2)²×0.5²-(-2.24)÷(-2)³]-1又7/18
有理数乘方的算术题,-6²×(-1又1/2)²-3³÷(-1又1/2)³×(-3
[2×(-1/2)²-3²×(-1/3)³]÷[1-(-1/2)³]
1、(4x²y-2x³)÷(-2x)²
2008³-2×2008²-2006÷(2008³+2008²-2009)
1.-3²-|(-5)³|×(-2/5)²-18÷|-(-3)²| 2.-4.0
-1²+(-1)³×二分之五+(2/3)²×(-7/2)²=
数学整式除法计算:(1)(7x²y³-8x²y³z)÷8x²y&sup
多项式除以单项式(4c²d+c³d³)÷(-2c²d)
(2²+4²+6²+.+98²+100²)-(1²+3&su
各位大虾们,1)(2a²)³•2²•a-(3a³) &s
计算:1】—(2ab)³+3ab x a²b²2】(—2x³)² x