1.

Simplify (4^-1+8^-1)÷(4upon9) ^-1​

Answer»

Step-by-step EXPLANATION:

( - 4 - 8) \div (4 \div 9) { - 1}^{2}  =  - 12 \div ( - 4 \div  - 9) = 108 \div  - 4 =  - 27



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