`timescale 1ns/1ns module main_mod( input clk, input rst_n, input [7:0]a, input [7:0]b, input [7:0]c, output [7:0]d ); wire [7:0] u,v; test u1( .clk(clk), .rst_n(rst_n), .a(a), .b(b), .d(u) ); test u2( .clk(clk), .rst_n(rst_n), .a(a), .b(c), .d(v) ); test u3( .clk(clk), .rst_n...