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The answer on page 67.68 of the second volume of the fifth grade mathematics textbook published by People's Education Press.
The first question:1÷ 2 =1(kg)1÷ 3 =1(kg) 3.

Question 2: 3 ÷ 4 = 3/4 (square meter) 3 ÷ 5 = 3/5 (square meter)

The third question:1091079103251410001331000 53 (horizontal newspaper)

Question 4:1÷ 81= 865438+1in 0.

Question 5:115 =151.

Question 6:5 medium 1, 4 medium 1.

Question 7: Two thirds and three quarters.

Question 8: 5 ÷ 6 = 5 out of 6 questions

Question 9: 1 ÷ 5 = 1 in 5.

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