-4/5×(5/7)×((-8/9))+8/9×4/7
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-4/5*5/7*-8/9+8/9*4/7
Answered by
0
Answer:
Step-by-step explanation:
4/5x5/7x-8/9+8/9x4/7
= -32/63+32/63
= 0
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