August 2021 1 4 Report
Приведите подобные слагаемые:
1) -6x+9x-2x+7x
2)7|9s +3|9s-4|9s-1|9s
3)16a-4a+2a-9a
4)22d+2d-30d-7d
5)t+4,7t-3,2t-t
6)-22q-18q+4,3q+7,1q
7)2|3k+5|6k-11|k-3|4k
8)w+0,9w-4|9w-1|2w
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