Question

answer should be 9/7

(3/7)^2 ×25/7×(-7/5)^2 solve

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Answer 1

Answer:

$(3 {}^{2} \times 25 \times 7 {}^{2} ) \div (7 {}^{2} \times 7 \times 5 {}^{2} )$

$(9 \times 25 \times 49) \div (49 \times 7 \times 25)$

$= 9 \div 7$