1.

0(b)169 13(b) 1327(b) 372928, v 1.0816 =?(a) 0-1429、10009 =?(a) -0330. 10.4 =?(b) 1(b) .3

Answer»

25. √ 25-9/81

= √16/81

= 4/9

26. √169+x/169 = 14/13

169+x = 196

x = 27

27. √784/729 = 27+x/27

27+x = √784

x = 28-27 = 1

28. √1.0816 = 1.04

29. √0.009 = 0.03



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