(1)-1(1-2)^4+/-2-3/-5(2)[1+(1-1/2)*1/3]除以(-3^2+2)(3)(-1/6+3/4-1/12)*(-48)(4)-2^2+3*(-1)^3-(-4)*5化简下列各式(1)(x-3y)-(y-2x)(2)3x-[7x-(4x-3)-2x^2]/-2-3/是-2-3的绝对值

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(1)-1(1-2)^4+/-2-3/-5(2)[1+(1-1/2)*1/3]除以(-3^2+2)(3)(-1/6+3/4-1/12)*(-48)(4)-2^2+3*(-1)^3-(-4)*5化简下列各式(1)(x-3y)-(y-2x)(2)3x-[7x-(4x-3)-2x^2]/-2-3/是-2-3的绝对值
(1)-1(1-2)^4+/-2-3/-5
(2)[1+(1-1/2)*1/3]除以(-3^2+2)
(3)(-1/6+3/4-1/12)*(-48)
(4)-2^2+3*(-1)^3-(-4)*5
化简下列各式
(1)(x-3y)-(y-2x)
(2)3x-[7x-(4x-3)-2x^2]
/-2-3/是-2-3的绝对值

(1)-1(1-2)^4+/-2-3/-5(2)[1+(1-1/2)*1/3]除以(-3^2+2)(3)(-1/6+3/4-1/12)*(-48)(4)-2^2+3*(-1)^3-(-4)*5化简下列各式(1)(x-3y)-(y-2x)(2)3x-[7x-(4x-3)-2x^2]/-2-3/是-2-3的绝对值
(1)/-2-3/是什麼?
(2)[1+(1-1/2)*1/3]/(-3^2+2)
=[1+1/6]/(-9+2)
=(7/6)/(-7)
=-1/6
(3)(-1/6+3/4-1/12)*(-48)
=(-2+9-1)/12*(-48)
=6/12*(-48)
=-24
(4)-2^2+3*(-1)^3-(-4)*5
=-4-3+1024
=1017
(1)(x-3y)-(y-2x)
=x-3y-y+2x
=3x-4y
(2)3x-[7x-(4x-3)-2x^2]
=3x-[7x-4x+3-2x^2]
=3x-7x+4x-3+2x^2
=2x^2-3

(1)-1(1-2)^4+/-2-3/-5
= -1×(-1)×4+5-5
=1×4+5-5
=4
别的有人写过了,我就不写了