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algebra
fractions
decimals
integers
HCF
100

x+2x=

3x

100

simplify 16/12

4/3

100

0.8+1.3

2.1

100

7-12=

-5

100

find the hcf of 12 and 32

4

200

x2 = 64

8

200

3/4+6/8

3/2  (6/4)

200

1.64 + 3.82

5.46

200

(-11)(-3)

33

200

hfc of 125 and 75

25

300

 simplify 3x(2x-4)

6x2-12x

300

12/6+4/18

40/18 or 2 4/18

300

2/4 as a decimal

0.5

300

-6+38

32

300

hcf of 45 and 144

9

400

simplify (2x-5)(x+6)

2x+7x-30

400

3 5/6-1 5/12

2 5/12

400

3.54+9.847-4.52

8.867

400

16 / -4

-4

400

hcf of 68 and 102

38

500

(6x2-4x) / 2x

3x-2x

500

3 12/15+7 1/3+2 1/5

13 1/3

500

7.854+6.346+4.784

18.984

500

-83-52

-135

500

hcf of 12, 20, 32. 

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