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The answer to the second question on page P43 of the first volume of the fifth grade mathematics instruction series.
(1) .42-3 = 39 (kg)

A: Xiaoming weighed 39 kilograms last year.

(2). 1350 ÷ 30 = 45 (kg)

A: Pig farms use an average of 45 kilograms of feed every day.

(3) .56160 ÷ 486 =115.555 ... (minutes)

A: It takes a spaceship 1 15.555 ... minutes to orbit the earth.

How can the third question be a circular decimal? Have you got the wrong question?

Satisfied, please adopt.

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