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20 16 national 2 mathematical answers
Answer: Page 36: Two. 1, 32, 33, 24, ①

Page 37: IV. 1, 8×7+36=92 (page)

2.480-290= 190 (only) Note: Find out the quantity related to the problem.

Page 38: 1. 1, 36 ÷ 9 = 42,50-36 =14 (year) 9+ 14=23 (year).

Second, analysis: first determine the number of adults and children in the whole family to calculate the fare, excluding the elderly over 60 years old.

Grade 3, Grade 15, Grade 26, Grade 34.