Seudónimo Seudónimo
  • 30-11-2020
  • Mathematics
contestada

HELP ME Please and thank you?

HELP ME Please and thank you class=

Respuesta :

lilytran0315
lilytran0315 lilytran0315
  • 06-01-2021

Answer:

98

Step-by-step explanation:

21 + 77

= (20 + 1) + (70 + 7)

= 90 + 8

= 98

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