simplify...
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1
Answer:
64/63 or 1 & 1/63
Step-by-step explanation:
-4/5 × 5/7 × -8/9 + 8/9 × 4/7
= -4/7 × -8/9 + 8/9 × 4/7
= 32/63 + 32/63
= 64/63 or 1 & 1/63
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