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星---三角变换
Z12 =请输入Z13 =请输入Z23 =请输入
Z1N =#VALUE!Z2N =#VALUE!Z3N =#VALUE!
R1=请输入R2=请输入
R∑#VALUE!
3
Z 1N =
请输入Z 2N =请输入Z 3N =请输入Z 12 =#VALUE!Z 13 =#VALUE!Z 23 =#VALUE!三角---星变换
1
32Z 1N Z 3N Z 2N
Z 13Z 12
Z 23N
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