Which number should replace the question mark?

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Correct Answers: 
136
Points: 
1

Calculate the number 410

NUMBERMANIA: Calculate the number 410 using numbers [2, 8, 4, 1, 67, 287] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
1
Points: 
10

Find the area of the shaded figure

Express result to the accuracy of 3 decimal.
Category: 
Correct Answers: 
39
Points: 
1

Find the sum of these four addend

FUNNY MATH: Find the sum of these four addend :)
Category: 
Correct Answers: 
5
Points: 
6

Calculate the number 544

NUMBERMANIA: Calculate the number 544 using numbers [9, 2, 1, 8, 89, 329] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10
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