Надо привести к общему знаменателю 5, 55 и 6
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10 10 10
5+55+6=66. 66:10=6.6ч
<span>0,01*x-5,4=3,6
0,01*x=9; | * 0,01
x=0,09;
</span>
<span>17 + 3 = 20
19 + 1 = 20
18 + 2 = 20
16 + 4 = 20
15</span> + 5 = 20
<span>44 + 6 = 50
48 + 2 = 50
49 + 1 = 50
46 + 4 = 50
45</span> + 5 = 50