50% of 70 =
                   ( 35 )

40% of 20 =
                   (       )

90% of 60 =
                   (       )

20% of 70 =
                   (       )

20% of 90 =
                   (       )

70% of 70 =
                   (       )

10% of 70 =
                   (       )

10% of 30 =
                   (       )

60% of 50 =
                   (       )

          +[         ]

6% of 50 =
                   ( 3 )

2% of 10 =
                   (       )

90% of 9 =
                   (       )

8% of 70 =
                   (       )

80% of 1 =
                   (       )

20% of 4 =
                   (       )

50% of 9 =
                   (       )

10% of 1 =
                   (       )

70% of 3 =
                   (       )

          +[         ]

9% of 6 =
                   ( 0.54 )

9% of 6 =
                   (       )

6% of 2 =
                   (       )

1% of 9 =
                   (       )

7% of 6 =
                   (       )

3% of 6 =
                   (       )

9% of 2 =
                   (       )

1% of 4 =
                   (       )

8% of 2 =
                   (       )

          +[         ]

       ++[[            ]]