Addition, Subtraction, Multiplication and Division, problems with numbers: 10, 20 and 100

Questions Asked:
Incorrect Answers:
points:

OK

Questions Asked: 0 / 0

0 points

1 2 3 4 5

6 7 8 9 0

High score: 0 points

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Position of unknown

Position of the equal sign "="

Difficulty

5
6
7
8
9
10
20
100

Min

2
3
4
5
6
7
8
9

Max

2
3
4
5
6
7
8
9

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