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Question Number 44808 by jasno91 last updated on 05/Oct/18

Commented by Kunal12588 last updated on 05/Oct/18

$$readsomebooks$$

Answered by Kunal12588 last updated on 05/Oct/18

$$1)(82-18)(82+18)=6400$$$$2)(128-72)(128+72)=56\times 200=11200$$$$3){200}^2-3^2=40000-9=39991$$$$4)\frac{(198-102)(198+102)}{96}=300$$$$5)(15-0.3)(15+0.3)=225-0.09=224.91$$$$6)(8.63+1.37)(8.63-1.37)=72.6$$

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