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Addition
Subtraction
Multiplication
Division
Decimals
100
x + 4 = 25
What is 21
100
x - 2 = 6
What is 8
100
9x = 27
What is 3
100
y/6 = 2
What is 12
100
m - 3.7 = 2.4
What is 6.1
200
a + 32 = 98
What is 66
200
d - 7 = 19
What is 26
200
7x = 63
What is 9
200
x/4 = 4
What is 16
200
x - 66.09 = 102.8
What is 168.89
300
n + 58 = 1,987
What is 1,929
300
k - 83 =121
What is 159
300
5e = 400
What is 80
300
x/6 = 6
What is 36
300
5.6 = 0.8x
What is 7
400
x + 36 = 1,000
What is 964
400
x - 327 = 665
What is 994
400
11x = 275
What is 25
400
28 = a/13
What is 364
400
c/0.29 = 5.5
What is 1.595
500
43 = c + 27
What is 16
500
a - 999 = 785
What is 1,784
500
21y = 756
What is 36
500
80 = x/15
What is 1200
500
0.12 = y/12
What is 1.44