July 2022 1 9 Report
Приведите подобные слагаемые:
а) -4а + 12а + 13а - 27а;
б) 42х - 48х - 63х - 24х;
в) -17х + 19у - 15у + 13х;
г) 9n - 8m - 7m + 35n - 19n;
д) 7х - 18х + 25х - 6х;
з) -3b - 14b + 31b + 7b;
ж) 11a - 16b - 18a + 9b;
k) -8k + 9p - 17k + 5k + 14p.
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