(1/2+1/3)11/6 11 7/2
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Answer:
(1/2+1/3)÷11/6×11-7/2
= (3/6)÷11/6×7/2×11
= 1/2÷11/6×7/2×11
= [1×6/11×2]×7/2×11
= 6/22×77/2
= 3/11×7
21/11
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