可以看见图片吗？内容如下，图形符号还得参考上边的图片Box # 1 2 3 4 5 6 7 8 9 10 11 12 2 11 -9 3 -2 12 4 9 6 3 1 4 Start 1 Subtract:(number in box 10)-1.put result into box 10; 2 Put(number in box 9 ) into box1; 3 Is the first box-number mentioned in Instruction 2,an even number? 4 Take as your next instruction.the one whose number is in the box whose number is in box 8. 5 Change Instruction 2: Decrease the first box-number mentioned in it. by 1. 6 Add: (number in box 10)+(number in box 4),put result into box 10. 7 Change instructoin 2: Decrease the first box-number mentioned in it.and increase the second box-number mentioned in it.each by (number in box11). 8 Is the last box-number mentioned in Instrtuction 2,equal to(number in box 12) 9 Take as your next Instrutction.the one before Instruction 3.End What number is now in Box3 ? Box 10 ?
2 11 -9 3 -2 12 4 9 6 3 1 4
Start
1 Subtract:(number in box 10)-1.put result into box 10;
2 Put(number in box 9 ) into box1;
3 Is the first box-number mentioned in Instruction 2,an even number?
4 Take as your next instruction.the one whose number is in the box whose number
is in box 8.
5 Change Instruction 2: Decrease the first box-number mentioned in it. by 1.
6 Add: (number in box 10)+(number in box 4),put result into box 10.
7 Change instructoin 2: Decrease the first box-number mentioned in it.and increase
the second box-number mentioned in it.each by (number in box11).
8 Is the last box-number mentioned in Instrtuction 2,equal to(number in box 12)
9 Take as your next Instrutction.the one before Instruction 3.End What number is now in Box3 ?
Box 10 ?
http://img.blog.163.com/photo/MidM98xlCutEXnWa3SOHmQ==/5099200678090687895.jpg
2 11 -9 3 -2 12 4 9 6 3 1 4