1) 54-37=17
82-37=45
93-67=26
82-65=17
2) 100-(60+24)=16
(70+25)-90=5
60-(80-37)=17
70-(50-6)= 26
9+7-8= 8
9-4+7= 12
1) 54-37=17
82-37=45
93-67=26
82-65=17
2) 100-(60+24)=16
(70+25)-90=5
60-(80-37)=17
70-(50-6)= 26
9+7-8= 8
9-4+7= 12