Question

Ex 35,,,,.......,,,,,,,,,,,,,,,,,

Answer 1

6 × ( 5 + 4 ) - o + 10 = 29 - 7 : 7
6 × 9 - o + 10 = 29 - 1
54 - o + 10 = 28
54 - o = 28 - 10
54 - o = 18
o = 54 - 18
o = 32

33 : ( r + 19 ) = 80 : 2 : 5 : 4 : 2
33 : ( r + 19 ) = 40 : 5 : 4 : 2
33 : ( r + 19 ) = 8 : 4 : 2
33 : ( r + 19 ) = 2 : 2
33 : ( r + 19 ) = 1
r + 19 = 33 × 1
r + 19 = 33
r = 33 - 19
r = 14.