(-100)*0,087 =-0.87 .....................................
96 : 2 = 48
48 * 1/3 = 48 : 3 = 16
<u>Ответ: это число - 16.</u>
85 см............................
7/9*27/2*21/4*9/7=18/7
87/14*41/9-87/14*14/9
39/14*3/1=87/14(41/9-14/9)+39/14*3/1=87/14*27/9+39/14*3/1=3*(87/14+39/14)=27
X/4>10
x>10*4
x>40
(40;+∞)
8-1/2y>8
-1/2y>8-8
-1/2y>0
y<0:(-1/2)
y<0
(-∞;0)
0.5-10z<1
-10z<1-0.5
-10z<0.5
z>0.5:(-10)
z>-0.05
(-0.05;+∞)