(223440-130 x х): 35=6020 и (31 х 550-х)х120=10200 - вопрос №49418602234401303560203155012010200 от Gaziz05 11.12.2020 18:57

Question

Математика: (223440-130 x х): 35=6020 и (31 х 550-х)х120=10200

Gaziz05 · Answer

(223440 - 130х) : 35 = 6020223440 - 130х = 6020 * 35223440 - 130х = 210700130х = 223440 - 210700130х = 12740х = 98(31 * 550 - х) * 120 = 10200(17050 - х) = 10200 : 12017050 - х = 85х = 17050 - 85х = 16965...