Test: Arithmetic IV - Challenging

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Question 1:   Calculate: 3 7 : 1 4
1 5 7
2 4 7
3 28
5 7
Question 2:   Calculate: 74 1 8
2 1 8
2 7 8
1 1 8
3 1 8
Question 3:   Find the greatest common divisor of (18,45)
9
3
6
5
Question 4:   Find the least common multiple of ( 18,45 )
9
90
45
18
Question 5:   Calculate: ( 2 3 ) 3 ( 7 1 2 1 6 )
2 1 6
2 14 81
1 6
14 81
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