Помогите пжл пж пж пж

Question

Помогите пжл пж пж пж

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Answer 1

1)9/4×4/3×8/9=1/4×4/3×8=8/3. 2) 6/5×4/9×5/2=6×4/9×1/2=6×2/9=2×2/3=4/3 .3) 8/3÷4/3=8/3×3/4=2/3×3=2.