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Question-206267




Question Number 206267 by mr W last updated on 10/Apr/24
Commented by mr W last updated on 10/Apr/24
if S_1 +S_2 +S_3 =10, find S_7 +S_8 +S_9 =?
$${if}\:{S}_{\mathrm{1}} +{S}_{\mathrm{2}} +{S}_{\mathrm{3}} =\mathrm{10},\:{find}\:{S}_{\mathrm{7}} +{S}_{\mathrm{8}} +{S}_{\mathrm{9}} =? \\ $$

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