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X1 X2
(Xl,X2) (Xl,X2,X3,X4)
10X10 B、1/2X1/2 256x256 1X1
x1:x2:x3=:1:2 x1:x2:x3=2:1: x1:x2:x3=1:2: x1:x2:x3=:2:1
x6÷x3=x2B (x-1)2=x2-1 x4+x4=x8 (x-1)2=x2-2x+1
X1 X2 (X1,X2) (X1,X2,X3,X4)
X1 X2 (X1,X2) (X1,X2,X3,X4)
总造价x3% 税前造价x3% 息税前造价x3% (销项税-进项税)税额乘以3%
20600÷(1+3%)x3%+123600x2% 20600÷(1+3%)x3%+123600÷(1+2%)x2% 20600x3%+123600x2% 20600÷(1+3%)x3%+123600÷(1+3%)x2%
X1 X2 (X1,X2) (X1,X2,X3,X4)
(直接费+间接费+利润)x3% 直接费x3% (直接费+间接费)x3% 营业额x3%
x2·x3=x6 (x2)3=x8 x2+x3=x5 x6÷x3=x3
X1 X2 (Xl,X2) (Xl,X2,X3,X4)