Đáp án_Giải thích các bước giải:
Bài 1:
`a)` `(1/2)^2=1^2/2^2=1/4`
`(-2/3)^2=(-2)^2/3^2=4/9`
`(-3/2)^3=(-3)^3/2^3=-27/8`
`(7/2)^2=7^2/2^2=49/4`
`(-5/3)^2=(-5)^2/3^2=25/9`
`(-2/3)^3=(-2)^3/3^3=-8/27`
`b)` `(-1/3)^3=(-1)^3/3^3=-1/27`
`(1/3)^2=1^2/3^2=1/9`
`(5/4)^2=5^2/4^2=25/16`
`(-7/3)^3=(-7)^3/3^3=-343/27`
`(11/2)^2=11^2/2^2=121/4`
`(-3/4)^2=(-3)^2/4^2=9/16`
`c)` `(8/5)^2=8^2/5^2=64/25`
`(-1/2)^3=(-1)^3/2^3=-1/8`
`(6/5)^2=6^2/5^2=36/25`
`(3/5)^2=3^2/5^2=9/25`
`(-1/5)^2=(-1)^2/5^2=1/25`
`(-4/5)^2=(-4)^2/5^2=16/25`
`d)` `(-8/11)^2=(-8)^2/11^2=64/121`
`(3/10)^3=3^3/10^3=27/1000`
`(-7/2)^2=(-7)^2/2^2=49/4`
`(-9/2)^2=(-9)^2/2^2=81/4`
`(-3/2)^4=(-3)^4/2^4=81/16`
`(-3/5)^3=(-3)^3/5^3=-27/125`
