Реши уравнение:х+213=894 ; х-233=465 ; 985-х=462
X+213=894 x=8-213 x=681 681+213=894 x-233=465 x=233+465 x=698 698-233=465 985-x=462 x=985-462 x=523 985-523=462
cпс
Х+213=894 Х=894-213 Х=681 Х-233=465 Х=465+233 Х=698 985-х=462 Х=985-462 Х=523