A. Perform indicated operations
1.9/4 + 7/4
2.4/5 - 7/5
3.12 2/5 - 4 1/5
4.8/3 - 2/3 + [-1/3]
5.10 - 1/2
6.[-4/5 + 1/2] × [-6]
7.-5/6 × 2/3 × [12/15]
8.[4/5 × 1/3] + [-3/4]
9.[3 3/4 - 2 7/8] + 3/16
10.[2/5 + 3 3/5] ÷ [4 4/5 × 2/3]
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Answer:
1.4
2.-3/5
3.8 1/5
4.1 2/3
5.9 1/2
6.5 7/10