6) 12 - (...) = 12 + (-21) = ...;B)... - 6 = ... + - вопрос №145673376121221663 от kotenok88 19.10.2022 12:52

Question

Математика: 6) 12 - (...) = 12 + (-21) = ...;B)... - 6 = ... + (-6) = -3​

kotenok88 · Answer

Пошаговое объяснение:12 - (...) = 12 + (-21) = ...12+(-21) = -912-х = -9х = 2112-21=12+(-21)=-9... - 6 = ... + (-6) = -3х+(-6) = -3​х = 3х-6 = -3х = 33 - 6 = 3 + (-6) = -3...

6) 12 - (...) = 12 + (-21) = ...;B)... - 6 = ... + (-6) = -3​

6) 12 - (...) = 12 + (-21) = ...;
B)... - 6 = ... + (-6) = -3