X+2y=5x-3y=3
-4x+5y=3
1=3
1\3
1) 2/6 = 1/3
2) 4/6 = 2/3
3) 3/6 =1/2
4) 6/6 = 1/1 = 1
<h3>(784,482 + 78,389) - 300 : 6 = 812,871</h3>
1) 784,482 + 78,389 = 862,871 - сумма чисел
2) 300 : 6 = 50 - частное чисел
3) 862,871 - 50 = 812,871 - разность чисел
X + 3 - 5.7 (x + 10) - 2цел 2/5 < 0
x+0.6-5.7(x+10)<0
x+0.6-(5.7x+57)<0
x+0.6-5.7x-57<0
-4.7x-56.4<0
-4.7x<0+56.4
-4.7x<56.4
-4.7x<56.4
4.7x>-56.4
x>(-56.4) / 4.7
x>-12