addition
subtraction
multiplication
division
decimals and fractions
100
c+2=4
c=2
100
w-5=7
w=12
100
3k=21
k=7
100
p divided by 5 = 3
p=15
100
7 3/4 + x=10
x=2 1/4
200
z+12=18
z=6
200
c-12=16
c=28
200
36=6m
m=6
200
l divided by 4=8
l=32
200
e-9.7=23.4
e=33.1
300
20=y+3
y=17
300
56=i-61
i=117
300
12d=144
d=12
300
8=72 divided by u
u = 9
300
h divided by .7=21
h = 14.7
400
722=616+k
k=106
400
r-82=99
r=181
400
t x 17=85
5
400
121 divided by q=11
q=11
400
.82g=820
g = 1,000
500
1,365+n=2,619
n=1,254
500
368=a-105
a=473
500
25v=225
v=9
500
e divided by 37 =9
333
500
12 5/8=2 3/4 + b
b=9 7/8
M
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n
u