Questions: 問17 命令表を参照して、上から順に命令を実行した結果得られる図形群をAからEの中から 1 つ選ひくない。

Solution Steps

The commands given in the problem are:

1. Command 1: Swap the top and bottom shapes.
2. Command 3: Erase the previous shape.
3. Command 5: Insert the previous shape.

Command 1 swaps the top and bottom shapes. The initial sequence is:

1. Arrow pointing up
2. Cross
3. Cross
4. Arrow pointing right

After applying Command 1:

1. Arrow pointing right
2. Cross
3. Cross
4. Arrow pointing up

Command 3 erases the previous shape. The sequence after Command 1 is:

1. Arrow pointing right
2. Cross
3. Cross
4. Arrow pointing up

After applying Command 3:

1. Arrow pointing right
2. Cross
3. Cross
4. (Erased)

Command 5 inserts the previous shape. The sequence after Command 3 is:

1. Arrow pointing right
2. Cross
3. Cross
4. (Erased)

After applying Command 5:

1. Arrow pointing right
2. Cross
3. Cross
4. Cross

Final Answer