0/1.0] 1.0 x2i = x2' ===> x2i = (x2 & x2)' [1.0/1.0] 1.0 x3i = x3' ===> x3i = (x3 & x3)' [1.0/1.0] 1.0 x4i = x4' ===> x4i = (x4 & x4)' [1.0/1.0] 1.0 t1 = x3i & x4i ===> t1 = (x3 + x4)' [1.5/1.5] 1.5 t2 = x1i & x3 ===> t2i = (x1i & x3)' [1.0/1.0] 2.0 t3 = x2i & x3 & x4 ===> t3i = (x2i & x3 & x4)' [1.5/1.5] 2.5 t4 = x1i & x2i ===> t4i = (x1i & x2i)' [1.0/1.0] 2.0 t5 = x1 & x3i ===> t5 = (x1i + x3)' [1.5/1.5] 2.5 t6 = x2 & x3i ===> t6 = (x2i + x3)' [1.5/1.5] 2.5 t7 = x2 & x4i ===> t7 = (x2i + x4)' [1.5/1.5] 2.5 t8 = x1i & x4i ===> t8x = (x1 + x4)’ [1.5/1.5] 1.5
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