July 2022 1 5 Report
I. Reduce los términos semejantes:
1) - 8 + 3 + 2 + 2 − 6 + 7 =
2) 5 − 6 + 2 − 3 +15 =
3) 15 - 13 − 12 + 11 − 4 + 2 =
4) 2 x-2 − 5 x-1 + 3 x-2− 2 x-1+ 7 x-1 =
5) − 4 + 1 2 + 5 + 6 − 2 3 =
6) 5y + 1 6 + 5 4 – 3y - 3 7 =​

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