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Mathematics People's Education Edition Huanggang Small Champion Sixth Grade Volume 57 Answer
One:

1.20 25 2.6.56 39.36 3.36 4.72 5.68 6.3 1.4 50.24 7.2 6.28

Two: wrong, wrong, right, wrong.

The square of 3:10×10-(10-2 )× 3.14 = 51.4cm.

Four: 24 ÷ (5+4+3) = 2 (cm) 2× 4 = 8 (cm) 2× 3 = 6 (cm) 6× 8 ÷ 2 = 48 (cm)

V: (1) 6.28× 4 = 25.12 (m) 6.56× 6 = 39.36 (m) 4× 4× 3.14 = 20.24 m (m) A: They each used 20.24 m (m).

(2) Answer: The garden surrounded by squirrels has the largest area, while the garden surrounded by rabbits has the smallest area.

Six: 25.12 ÷ 3.14 ÷ 2 = 5cm 3.14× 4 squared ÷ 4 =12.56cm12.56× 2.