please answer this question
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Answer:
= 2/5×(-3/7)-1/6×3/2+1/14×2/5
= -6/35-1/4+1/35
= -6/35-(35+4)/140
= -6/35-39/140
= (-24-39)/140
= -63/140
= -9/20
I hope it help you
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