September 2021 1 9 Report
Упростите выражение: 1) 0,3х + 1,6х-0.5х; 2) 9.25y - 2,3у +7,05у; 3) 3,46х + 9.17х 2,63х3; 4,82у - 1,9y +3,08y.

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