Question

ПРОШУ ПОМОГИТЕЕЕ ОЧЕНЬ НАДО​

Answer 1

1. (х+2у)^2

(-1+2×0,2)^2

(-1+0,4)^2 = (-0,6)^2=0,36

2. 2^6×(2^2)^4/(2^7)^2=64×2^8/2^14 =64×256/16384=1

3. 9х^3у^2×(-1/3х^2у^3)^3=9х^3у^2×(-(1/3х^2у^3)^3)=-9х^3у^2×(1/3х^2у^3)^3=-9х^3у^2×1/27х^6у^9= -х^3у^2×1/3х^6у^9=-1/3х^9у^11

4. (х-2у)^2

(0,3-2×0,5)^2

(0,3-1)^2=(-0,7)^2=0,49