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129140163+2\times 3^{17}=3^{18}
Calculate 3 to the power of 17 and get 129140163.
129140163+2\times 129140163=3^{18}
Calculate 3 to the power of 17 and get 129140163.
129140163+258280326=3^{18}
Multiply 2 and 129140163 to get 258280326.
387420489=3^{18}
Add 129140163 and 258280326 to get 387420489.
387420489=387420489
Calculate 3 to the power of 18 and get 387420489.
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Compare 387420489 and 387420489.
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