Physicological inertia exercise
How to instead the two of mosquito coils in 45 minutes
The answer is,burn in front and back in each of mosquito coils,so it can decrease the cost of time.You lights one at both ends and the other at one.30 minutes later when the first coil burns up, the second coils has 30 minutes left,the same time of the first coil.Then,you light the other end of the coils,it will be done in 15 minutes,which makes a total of 45 minutes
The answer is,burn in front and back in each of mosquito coils,so it can decrease the cost of time.You lights one at both ends and the other at one.30 minutes later when the first coil burns up, the second coils has 30 minutes left,the same time of the first coil.Then,you light the other end of the coils,it will be done in 15 minutes,which makes a total of 45 minutes
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