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kcjr
11.02.2021 •
Mathematics
using integer to describe the situation 12 protons and an atom blank 18 electrons around an atom blank
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Ответ:
Ответ:
40. 3+2x4-1=10
39. 3+2x4+1=12
38. (3+2)x4+1=21
37. 2+3x4-1=13
Step-by-step explanation: