Pls solve this and explain too
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Step-by-step explanation:
this is the answer
maybe it's right
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Step-by-step explanation:
(a)2/3+-3/7+-3/14+5/10
7+5/35+5+7/70
12/35+12/70
2+1/70
3/70
(b)-2/5×7/6×5/13×-26/28
-7/15×-5/14.
1/6
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