The little chick and the big fish will sing on the hill and swim in the river in spring.

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• The little chick and the big fish will sing on the hill and swim in the river in spring.
• The little chick and the big fish will sing on the hill and swim in the river in spring.
• 分式的加减法(2/x²-2x)-(1/x²-3x+2)
• 改错 How many fishes can you see in the river? A.many B.fishes C.in ( )______