例3求5!的值画出结构图 ■5!=1*2*3*4*5 "t=1,i=2 i+1=>i t*i=>t=1*2 i+1=>i t*i=>t=1*2*3 i+1=>i t*i=>t=1*2*3*4 ■ i+1=>i t*i=>t=1*2*3*4*5 ■ i+1=>i 当i>5时不在累加例3 求5!的值画出结构图 5!=1*2*3*4*5 t=1,i=2 i+1=>i t*i=>t =1*2 i+1=>i t*i=>t =1*2*3 i+1=>i t*i=>t =1*2*3*4 i+1=>i t*i=>t =1*2*3*4*5 i+1=>i 当i>5时不在累加