Question

[5 1/4-2 1/3] + 1/3 of [5 1/2 by 2 1/5]

Answer 1

21/4 ÷ 7/3 - 14/3 + 16/3 × 7/2

21/4×3/7-14/3+16/3×7/2

9/4-14/3+112/6

-29/12+112/6

=200/12

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