700-x=427 срочно!! К-256=51424*х=480В:16=80910:с=13

700-х=424 х=700-424 х= 276   K-256=514 K=514+256 K=770   24*x=480 x=480:24 x=20    

1)700-x=427 X=700-427 X=273q 2)k-256=514 K=514+256 K=770 3)24*x=480 X=480:24 X=20 4)B:16=80 B=80*16 B=1280 5)910:c=13 C=910:13 C=70