<span> 5 7/18 -( x- 2 5/18) = 1 11/18
</span> x- 2 5/18 = 5 7/18-1 11/18
x- 2 5/18 = 4 25/18-1 11/18
x- 2 5/18 = 3 14<span>/18
</span> x = 3 14/18+<span>2 5/18
</span> х = 5 19/18
х= 6 1/18
12 (2*2*3)
5(5*1)
НОК (12 и5) = 60
6(2*3)
НОК (12 и 6) = 12
7(1*7)
НОК (12 и 7) = 12*7 = 84
8(2*2*2)
НОК (12 и 8) = 12*2 = 24
9(3*3)
НОК (12 и 9) = 12*3 = 36
10(2*5)
НОК(12 И 10) = 12*5 = 60
81- 8 сотен 86-6 сотен и 89 9сотен