18-12-2020
Mathematics

contestada

Solve for the unknown number in the equation 478 + ________ = 457 + 77.

a 50
b 53
c 56
d 59

Respuesta :

sofiahemed22 sofiahemed22

18-12-2020

Answer:

56

Step-by-step explanation:

457+77

=534-478

= 56

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