area
volume
preimader
decimals
fractions
1000
50x30

150

1000

3x9x10

270

1000

10+9+10+9

38

1000

1000.39+69.62

1070.1

1000

3/4_12/16 

is it ><=

=

2000

30x70

210

2000

9x4x9

324

2000

20+10+20+10

60

2000

21.21+80.9

102.11

2000

9/12=

3/4

3000

90x90

810

3000

9x9x9

729

3000

80+80+80+80

320

3000

79.34+11.21

90.55

3000

1 10/12 + 16/12

you have to  simplify

3 1/6

4000

21x3

63

4000

5x5x5

125

4000

90+80+90+80

340

4000

99.99+11.111

111.101

4000

12/4+10/12

you have to simplify

3 5/6

5000

5000x30

150,000

5000

7x49

49=base

343

5000

99+99+99+99

396

5000

8989.89+11.11

9001

5000

10x3/4

please simplify 

7 1/2