Problems
Problem 3.1:
3/4 + 1/2 = ?
[Solution]
Problem 3.2:
3/4 + 3/5 = ?
[Solution]
Problem 3.3:
7/10 - 2/15 = ?
[Solution]
Problem 3.4:
29/12 - 3/4 = ?
[Solution]
Problem 3.5:
9/70 + 11/105 = ?
[Solution]
Problem 3.6:
1/2 + 1/3 + 2/5 = ?
[Solution]
Problem 3.7:
7/2 - 1/6 - 9/10 = ?
[Solution]
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