1)2,9*(-0,01)=-0,029
2)-1m05-(-0,029)= -1.021
3)5,42-10,9= -5,48
4)-1,021* (-5,48)=5,59508
X + 14\5 - 6x +1\7 =2 14\5 = 2ц4\5
x - 6x = 2 - 14\5 - 1\7
x - 6x = - 6x + x = - 5x
2 - 2ц4\5 = - 2ц4\5 + 2 = -4\5
- 4\5 - 1\7 = - 28\35 +[-5\35]= -33\35
-5x = -33\35
- x = -33\35 :[-5] = -33\35 x[-1\5] =33\175 x = 33\175
1/2+1/3+1/6=ЕКОЕ(2,3,6)=6
3/6+2/6+1/6=6/6 6/6=1 калганы жок