integer operations
rational numbers
conversions
algebra
100

5(10)+2

52

100

1.1+2.2

3.3

100

1/8+2/7

23/56

100

18=9x

2

200

8-4(8/2)-1

-9

200

-4.8x7-21

-54.6

200

1/8=__%

12.5%

200

36=2x

18

300

4/4-(9(4-3))

-8

300

56(-4x3)-2.06

-674.1

300

5.4+3/7

5.8

300

125=5y*5

y=5

400

18/6+14(8(4x4))

1795

400
(45+9.8) / (-6.79x42) 

-0.2

400

30%-(-2/7)+6.4

7

400

432=6y * 12

y=6

500

(69-(45x4)+12)

-99

500

69.4(2.0/3.4(7.8x1)-2) 

179.6

500

2.53+(-3/5)-.03+20%

2.1

500

16-2t=5t+9

t=1

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