1.10(3x-5)^9 ×3=30(3x-5)^92.(3x+2)'sin5x+sin5x'(3x+2)=3sin5x+5cos5x(3x+2)3.(e^2x)'cos3x+e^2x(cos3x)'=2e^2x×cos3x+e^2x(-3sin3x)e^2x(2cos3x-3sin3x)4.(2^x)'e^x+2^x(e^x)'=(2^xln2)e^x+2^xe^x=2^xe^x(ln2+1...那个(3x+2)'sin5x+sin5x'(3x+2)=)'sin5x的 ' 是什么0.0？是求导的意思