Question 1 (Fill-In-The-Blank Worth 1 points)

(01.01)

Suzie made a mistake in the following problem.

The mistake was made in Line ___. Only input the number of the first incorrect line.


Line 1

7(6) ÷ 5 + 42

Line 2

7(6) ÷ 5 + 16

Line 3

42 ÷ 5 + 16

Line 4

42 ÷ 21

Line 5

2