计算:2-2²-2³-2的4次方-2的5次方+2的6次方
2-2²-2³-2的4次方-2的5次方+2的6次方
=2-2²-2³-2的4次方+(2X2的5次方-2的5次方)
=2-2²-2³-2的4次方+2的5次方
=2-2²-2³+(2X2的4次方-2的4次方)
=2-2²-2³+2的4次方
=2-2²+(2X2³-2³)
=2-2²+2³
=2+(2X2²-2²)
=2+2²
=2+4
=6
计算:2-2²-2³-2的4次方-2的5次方+2的6次方
2-2²-2³-2的4次方-2的5次方+2的6次方
=2-2²-2³-2的4次方+(2X2的5次方-2的5次方)
=2-2²-2³-2的4次方+2的5次方
=2-2²-2³+(2X2的4次方-2的4次方)
=2-2²-2³+2的4次方
=2-2²+(2X2³-2³)
=2-2²+2³
=2+(2X2²-2²)
=2+2²
=2+4
=6