1)
4x-1085+1193=2132
4x=2132-1193+1085
4x=2024
x=506
2)
9y+1069-1097=2375
9y=2375-1069+1097
9y=2403
y=267
3)
7273-5m-4219=1724
-5m=1724+4219-7273
-5m=-1330
m=266
4)
2681+2c-2198=1409
2c=1409+2198-2681
2c=926
c=463
А) 0,8; 1; 0,6; 16\55; 32\75; б) 16\9; 1; 8\81
24(:56-8*4)=1
<span>24: (56-24)=24:24=1</span>