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A) 25/24 × 18/35=
B) 28/27 ÷ 49/18=
C) 3/8 × (-20/9)=
D) -9/4 ÷ 21/10=
E) -15/32 x 56/9 =
F) 32/45 ÷ (- 16/75) =
ayudenme xfa​