IV Let's try. 试一试。
This is a magic number square. The magic number is 20. Find out the answers to the questions.
(幻方图:第一行6, ?, 8;第二行?, ?, ?;第三行2, ?, 4)
This is a magic number square. The magic number is 20. Find out the answers to the questions.
(幻方图:第一行6, ?, 8;第二行?, ?, ?;第三行2, ?, 4)
答案:
第一行中间:6;第二行:12, 0, 8;第三行中间:14
解析:
第一行:6 + x + 8 = 20 → x=20-6-8=6
第三行:2 + y + 4 = 20 → y=20-2-4=14
第一列:6 + a + 2 = 20 → a=20-6-2=12
第三列:8 + c + 4 = 20 → c=20-8-4=8
第二行:a + b + c=20 → 12 + b + 8=20 → b=0
幻方填写为:
6 6 8
12 0 8
2 14 4
解析:
第一行:6 + x + 8 = 20 → x=20-6-8=6
第三行:2 + y + 4 = 20 → y=20-2-4=14
第一列:6 + a + 2 = 20 → a=20-6-2=12
第三列:8 + c + 4 = 20 → c=20-8-4=8
第二行:a + b + c=20 → 12 + b + 8=20 → b=0
幻方填写为:
6 6 8
12 0 8
2 14 4
V Listen and complete the rhyme. 听录音,完成小诗。
What Can They Do?
A rabbit can j______.
A snake can h______.
A dog can r______.
A bird can s______.
A frog can s______.
What Can They Do?
A rabbit can j______.
A snake can h______.
A dog can r______.
A bird can s______.
A frog can s______.
答案:
需根据录音内容填写单词,因无录音材料,无法确定具体答案。
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