Question

$2 \div 5 \times ( - 3 \div 7) - (1 \div 14) - (3 \div 7 \times 3 \div 5)$
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Answer 1

Step-by-step explanation:

2/5×(-3/7)-(1/14)-(3/7×3/5)

=-6/35-1/14-9/35

=-84-35-126/490

=-49/98

=-1/2