700-x=427 срочно!! К-256=514 24*х=480 В:16=80 910: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