(78-24)÷9+3·7=27
1 2 4 3
1. (78-24)=54
2. 54/9=6
3. 3*7=21
4. 6+21=27
7·(18÷3)-32÷4=41
2 1 4 3
1.18/3=6
2. 6*7=49
3. 32/4=8
4. 49-8=41
67-9÷3·9+28=69
3 1 2 4
1. 9/3=3
2. 3*9=27
3. 67-27=41
4. 41+28=69
45÷5+12÷4·6=27
1 4 2 3
1. 45/5=9
2. 12/4=3
3. 3*6=18
4. 9+18=27