删除多余运算,代码外提 26?(PROD: =022 (2 (4)T2:=a0-4 (7)T5:=bo-4 (3)T1:=4* (5)T3:=T2[T1 (6)T4:=T (8)16:=1514 (9)T7: T3*T6 (10)PROD: PROD+ T7 (11)I:=I+1 (12)ifI≤20goto(3)删除多余运算，代码外提 (1)PROD := 0 (2)I := 1 (4)T2 := a0 – 4 (7) T5 := b0 – 4 (3) T1 := 4 * I (5)T3 := T2[T1] (6)T4 := T1 (8) T6 := T5[T4] (9) T7 := T3 * T6 (10) PROD := PROD + T7 (11) I := I +1 (12)if I≤20 goto (3)