# Find number abc

If 71b3c - 33b1c = 3c0a0 find number abc. Multiple solutions may exist.Correct answers:

**43**The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math

Correct answers: **43**

The first user who solved this task is **Nasrin 24 T**.

#brainteasers #math

## Sir Napier ShawDied 23 Mar 1945 at age 91 (born 4 Mar 1854).Sir (William) Napier Shaw was an English meteorologist who applied his training in mathematics. He studied the upper atmosphere, using instruments carried by kites and high-altitude balloons. He measured (1906) the movement of air in two anti-cyclones, finding descent rates of 350 and 450 metres per day. He calculated the reduction in pressure due to a certain depression to correspond to the removal of two million million tons of air. He introduced the millibar unit for measurement of air pressure (1000 millibar = 1 bar = 1 standard atmosphere) and the tephigram to illustrate the temperature of a vertical profile of the atmosphere. He also co-authored an early work on atmospheric polluiton, The Smoke Problem of Great Cities (1925).« |

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