level.1
level.2
level.3
level.4
level.5
100

9-8=

1

100

10+9=

19

100

9-6=

3

100

5-9=

-4

100

20*6=

120

200

21+78=

99

200

32-20=

-12

200

10*2=

20

200

20+22=

42

200

52-6

46

300

200+100=

300

300

200*4=

800

300

300/6=

50

300

11*5=

55

300

99-80=

-19

400

78*23=

1794

400

43*12

516

400

23/23=

1

400

50+21=

71

400

5-(9*6)+3=

-46

500

120-50=

70

500

56*90=

5040

500

280*7

1960

500

5-9+(6*12)=

68

500

9-5+(9*13)+9=

130

M
e
n
u