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ch4aika [34]
3 years ago
11

<333

Mathematics
1 answer:
Gnom [1K]3 years ago
6 0
(210+200+190+180+300+150+90+x)/8=200
(1320+x)/8=200 /*8
1320 +x=1600
X=1600-1320
X= 280
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