2/5×(-3/7+1/14) -1/6×3/12
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Answer:
-31/168
Step-by-step explanation:
2/5×(-3/7+1/14) -1/6×3/12
= 2/5×(-5/14) -1/6×3/12
= -1/7 -1/24
= -31/168
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