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Find the missing number

Try to solve this mathematical puzzle. Find the missing number.

Correct answers: 71

The first user who solved this task is Roxana zavari.

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You are meant to be together

Sometimes, you find the right person at the wrong time. Sometimes it’s the wrong person at the right time. But when you find the right person, at the right time, in the right situation, it’s because you are meant to be together. Fate has grabbed both of your hands. Don’t let go.

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Mars Climate Orbiter

In 1998, the Mars Climate Orbiter was successfully launched on a Delta II rocket from Cape Canaveral Air Station in Florida. However, the probe disappeared on 23 Sep 1999, apparently destroyed because scientists had failed to convert English measures to metric values. The orbiter's instruments would have monitored the Martian atmosphere and image the planet's surface on a daily basis for one Martian year (1.8 Earth years) with observations of the appearance and movement of atmospheric dust and water vapor, as well as characterizing seasonal changes on the surface. Images of the surface features could provide important clues to the planet's early climate history and possible subsurface liquid water reserves.

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