S=пr в квадрате.
s=3,14*121=380.
24:6 > 24:8
4 > 3
6*7 > 9*4
42 > 36
42:6 > 54:9
7 > 6
7*1 > 0:7
7 > 0
54:6 > 56:8
9 > 7
5*1> 0:5
5>0
72:8 = 27:3
9=9
8*4 < 6*6
32<36
48:8 < 63:7
6 < 9
X = 108 - 138
x = - 30
243 - y - 83 = 112
- y = 112 - 160
- y = - 48
y = 48
0.85x=0.75
x=0.72
------
0.85
x=72
---
85
(-4,3-1,2)÷(-1^7/15)=-5,5÷(-22/15)=55/10×15/22=15/4=3^3/4