设a679b是一个五位数，它可被72整除，试求a和b的值。3z9x7|*~0h,I4u,o+c'z2{)d
算式：提示6{0W0z-g2e't+G:f/T5v)],J-[._*~3z9x7|*~0h,I4u,o+c'z2{)d
答：a=:C(i8Z4N8j，b='j*t1D'@3e(_.^9K:t/~。3z9x7|*~0h,I4u,o+c'z2{)d