a. 54 : (21-3) + 60: (-12) = ... b. 3.600 : 40 - 2.200 : 11

Name: a. 54 : (21-3) + 60: (-12) = ... b. 3.600 : 40 - 2.200 : 11
Uploaded: 2024-02-08T14:47:00.000Z
Duration: PT7M53.269S
Description: a. 54 : (21-3) + 60: (-12) = ... b. 3.600 : 40 - 2.200 : 11 + 3.500 : 70 =