include \masm32\include\masm32rt.inc .data .code start: exit tong1_n proc n:DWORD LOCAL i:DWORD LOCAL sum:DWORD mov i, 1 mov sum, 0 batdau: mov eax, i cmp eax, n jle cong jg thoat cong: mov eax, sum add eax, i mov sum, eax mov eax, i add eax, 1 mov i, eax jmp batdau thoat: print chr$("Tong tu 1 den n la: ") print str$(sum) ret tong1_n endp end start