Mathematics:
Examples
Problems
Arithmetic
Calculators
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Subtract till 100
Calculate:
Number of examples:
Numerical difficulty:
Range of values:
Multiplicity:
53

42
=
63

33
=
43

29
=
88

5
=
53

44
=
72

12
=
92

12
=
60

14
=
97

33
=
80

30
=
all examples
2841
5th grade (10y)
313
6th grade (11y)
692
7th grade (12y)
1183
8th grade (13y)
1532
9th grade (14y)
1350
high school
1003
equation
667
reason
460
time
393
system of equations
376
right triangle
367
area of shape
325
triangle
322
Pythagorean theorem
318
percentages
317
length
293
volume
292
division
280
ratio
274
multiplication
267
The most difficult examples
The easiest examples
Language
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en