Ответ:
а) 0 = 0
b) -2000 = -2000
Пошаговое объяснение:
а) 2020 + 2 = 2022
2020 + 2 + (-2022) = 2022 + (-2022)
2022 - 2022 = 2022 - 2022
0 = 0
b) –(+(+(–(–1)))) + 23 = 22
-1 + 23 + (-2022) = 22 + (-2022)
22 - 2022 = 22 - 2022
-2000 = -2000
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Verified answer
Ответ:
а) 0 = 0
b) -2000 = -2000
Пошаговое объяснение:
а) 2020 + 2 = 2022
2020 + 2 + (-2022) = 2022 + (-2022)
2022 - 2022 = 2022 - 2022
0 = 0
b) –(+(+(–(–1)))) + 23 = 22
-1 + 23 + (-2022) = 22 + (-2022)
22 - 2022 = 22 - 2022
-2000 = -2000