作业帮-3/2{3/2*[(-2)*(-1)^3-6]-18
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-3/2{3/2*[(-2)*(-1)^3-6]-18
-3/2{3/2*[(-2)*(-1)^3-6]-18
-3/2{3/2*[(-2)*(-1)^3-6]-18
右边的大括号位置不清楚,所以写了两种答案
-3/2{3/2*[(-2)*(-1)^3-6]-18｝
=-3/2{3/2*[(-2)*(-1)-6]-18｝
=-3/2{3/2*(-4)-18｝
=-3/2*(-24)
=36
-3/2{3/2*[(-2)*(-1)^3-6]｝-18
=-3/2{3/2*[(-2)*(-1)-6]｝-18
=-3/2{3/2*(-4)｝-18
=-3/2*(-6)-18
=-9
2 1 -2 -3
[-2*1/4+(-1/2)3]*(-2*2/3)+(-1*2/3)2÷5/3
1,1,1,2,2,2,3,3,3,填三阶幻方
-1-{(-3)²-[3+(2/3)*(-3/2)]/(-2)} 计算
1,1/2,3/2,3/8,( ),( )
1+1+2+2+3+3+````````````````````````````+99999
求和[1/3]+[2/3]+[2^2/3]+[2^3/3]+.+[2^1000/3]=
1/(2^3)+1/(2^3+1)+1/(2^3+2)+1/(2^3+3)+...+1/(2^4-1)
（1/2+1/3)÷(2/3-3/2)=?
1+2+2^2+2^3+.+2^62+2^63
1+2+2^2+2^3+.+2^62+2^63
2+2+3+4+1
1+2+3+4×2
1 2 3 2 ( ) 6
1+2+3/2=?
（2/3+3）(3-2/3x)+(-2/3-1)(1+2/3x)
比较大小(4/3)^1/3,2^2/3,(-2/3)^3,(3/4)^1/2
求和(1-2*3^(-1))+(3-2*3^(-2))+`````+[(2n-1)-2*3^(-N)]