1. + 4 7 3 9 10
2 6 9 5 11 12
9 13 16 12 18 19
1 5 8 4 10 11
3 7 10 6 12 13
8 12 15 11 17 18
2. - 12 15 14 16 19
2 10 13 12 14 17
7 5 8 7 9 12
3 9 12 11 13 16
8 4 7 6 8 11
4 8 11 10 12 15
Conoces más sobre sumas y restas en este contenido de brainly:https://brainly.lat/tarea/58487277
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Verified answer
1. + 4 7 3 9 10
2 6 9 5 11 12
9 13 16 12 18 19
1 5 8 4 10 11
3 7 10 6 12 13
8 12 15 11 17 18
2. - 12 15 14 16 19
2 10 13 12 14 17
7 5 8 7 9 12
3 9 12 11 13 16
8 4 7 6 8 11
4 8 11 10 12 15
Conoces más sobre sumas y restas en este contenido de brainly:https://brainly.lat/tarea/58487277