Arithmetic

For basic math questions about addition, multiplication, fractions, etc.
T
Write an expression for Sn
Replies
3
Views
880
MarkFL
MarkFL
N
Inverse function modulo
Replies
2
Views
879
HallsofIvy
H
F
Puzzle and tricking
Replies
5
Views
1K
Dr.Peterson
Dr.Peterson
K
Factorial inequation
Replies
5
Views
904
K1ngbadlex
K
N
division problem
Replies
10
Views
2K
JeffM
J
B
calculations
Replies
2
Views
765
HallsofIvy
H
M
Order of operations
Replies
4
Views
984
lookagain
L
G
How to simplify this expression?
Replies
4
Views
1K
Narwalalpaca12$
N
C
infrared frequency twice that of radio waves
Replies
2
Views
809
casualsettheory
C
N
what is x+y+z
Replies
5
Views
2K
Dr.Peterson
Dr.Peterson
S
Calculating Percentages
Replies
5
Views
1K
SteveH
S
C
Division/Multiplication
Replies
5
Views
1K
Otis
Otis
S
reverse devision equation
Replies
1
Views
677
willyengland
W
P
About Chinese Remainder Theorem
Replies
3
Views
885
ksdhart2
K
S
I don’t understand the new formula my little sis is using for arithmetic/geometric sequences
Replies
4
Views
2K
Harry_the_cat
Harry_the_cat
M
Primary School Percentage Question
Replies
10
Views
2K
tkhunny
tkhunny
J
  • Redirect
I would presume this is a probability math problem.
Replies
–
Views
–
N/A
C
PEMDAS and BODMAS
Replies
5
Views
3K
tkhunny
tkhunny
R
Why is the radius 'r' of this circumference equal to 1 ?
Replies
3
Views
830
willyengland
W
N
Proportions ... How do I manipulate these numbers to give me a combined weight of exactly 3000g?
Replies
2
Views
926
neiloneil
N
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