a. 63 + 28 = ... b. 285 + 323 = ... c. 4.872 + 2.341 = ...

Name: a. 63 + 28 = ... b. 285 + 323 = ... c. 4.872 + 2.341 = ...
Uploaded: 2024-06-05T03:39:08.000Z
Duration: PT4M27.3S
Description: a. 63 + 28 = ... b. 285 + 323 = ... c. 4.872 + 2.341 = ...