x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,
x2405x10解方程x?2-4??0.5=x?10解:0.5x-2=0.1x0.5x-0.1x=20.4x=2x=2÷0.4x=5看图解0.75x-40%x10=20.75x-4=20.75x=6x=8PDF2,已知A24a32a2B4a32a2a3a23a7且A由题意知道a^3-2a^2-a+7=5a^3-2a^2-a+2=0a(a^2-1)-2(a^2-1)=0(a-2)(a-1)(a+1)=0a=2,a=1,a=-1当a=2时,A={2,4,5},B={-4,5,2,25}符合题意当a=1时,