(72+9) - 19 = 62(68-23)+7 = 52
(57+6) - 33= 30
(70-9)+39= 100
1)(72+9)-19=622)(68-23)+7=523)(57+6)-33=304)(70-9)+39=100
(72+9) - 19 = 62
(68-23)+7 = 52
(57+6) - 33= 30
(70-9)+39= 100
1)(72+9)-19=62
2)(68-23)+7=52
3)(57+6)-33=30
4)(70-9)+39=100