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Calculate the number 1190

NUMBERMANIA: Calculate the number 1190 using numbers [8, 6, 8, 5, 20, 615] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 10

The first user who solved this task is Nílton Corrêa de Sousa.

#brainteasers #math #numbermania

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Rickey Smiley: White Church

I joined a white church because white people get out on time.

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Tokyo Bay tunnel

In 1997, the 15-kilometer (9.3-mile) toll expressway, Tokyo Bay Aqualine bridge and tunnel that spans the narrowest gap of Tokyo Bay, opened to traffic after 31 years of studies. It connects the cities of Kawasaki and Kisarazu. The project took 8-1/2 years to complete and cost $17 billion. Total length: 15.1 km (9.38 mi) includes a 4.4-km (2.7 mi) bridge, a 9.5-km (5.9 mi) shield tunnel, and two artificial islands. It has the world's longest undersea tunnel, running 60 meters (197 feet) deep under the surface of the water. An artificial island, Umi-hotaru, connects the bridge and tunnel portions, as a parking, rest area and tourist attraction, offshore in Tokyo Bay. Previously, the trip required a 1 hr ferry or 100 km (62.1 miles) drive.

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