1)-28.7-16.28+х=-14.2 2)34.9-х+17.4-13.4=2.8 3)19.8-х+19.1-13.2=14.8 - вопрос №8637328128716281422349174134283198191132148 от 7376373 01.07.2020 13:34

Question

Математика: 1)-28.7-16.28+х=-14.2 2)34.9-х+17.4-13.4=2.8 3)19.8-х+19.1-13.2=14.8 )

7376373 · Answer

1)-28,7-16,28+х=-14,2 -44,98+х=-14,2 -44,98+14,2=х -30,78=х х=-30,782)34.9-х+17.4-13.4=2.8 34.9+17.4-13.4-2.8=х 36.1=х х=36.13)19.8-х+19.1-13.2=14.8 19.7+19.1-13.2-14.8=х 10.8=х х=10.8...