Respuesta :
Answer:
1, -4, -9, -14, -19, -24, -29, -34, -39, -44, -49, -54 = -318
Step-by-step explanation:
Answer:
The Answer is -318.
Step-by-step explanation:
1 + (-4) + (-9) + (-14) + (-19) + (-24) + (-29) + (-34) + (-39) + (-44) + (-49) + (-54)