(y
3
)
2
= (y
3
)(y
3
) = y
6
计计,
(2y
2
)
3
= 2
3
y
6
= 8y
6
计 2(2)(2) 眔8, 计 2(3) 眔6
(2x
3
y
4
)(-4xy
2
) = -8x
4
y
6
计 2(-4) 眔 -8, x计 3+1眔4, y计4+2眔6
材3,4肈絬琌だ絬,だ计埃计,计搭
璝だ计耕,だ痙だ, 璝だダ计耕,だ痙だダ
肈ヘ
1
2
3
4
氮
タ絋氮
璸
