Answer:
79
Step-by-step explanation:
3+9
2
−4
1 Simplify {9}^{2}9
to 8181.
6\div 3+81-4
6÷3+81−4
2 Simplify 6\div 36÷3 to 22.
2+81-4
Simplify 2+812+81 to 8383.
83-4
Simplify.
