手脑速算20以内加减法

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 4 = 5( ) + 5 = 18( ) + 18 = 20( ) + 5 = 6 ( ) - 4 = 3( ) - 7 = 1( ) - 8 = 5( ) - 5 = 2

1 + ( ) = 7 6 + ( ) = 615 + ( ) = 15 4 + ( ) = 15 7 - ( ) = 219 - ( ) = 19

2 - ( ) = 19 - ( ) = 8 ( ) +

3 = 5( ) + 5 = 20( ) + 1 = 20( ) + 10 = 15 ( ) - 10 = 8( ) - 2 = 6( ) - 3 = 5( ) - 12 = 2 1 + ( ) = 1210 + ( ) = 150 + ( ) = 20 + ( ) = 17 20 - ( ) = 1816 - ( ) = 1520 - ( ) = 312 - ( ) = 12 ( ) + 7 = 9( ) +

4 = 5( ) + 3 = 10( ) + 16 = 17 ( ) -

5 = 3( ) - 15 = 2( ) - 18 = 2( ) - 3 = 13

6 + ( ) = 1

7 1 + ( ) = 140 + ( ) = 414 + ( ) = 20

7 - ( ) = 6 1 - ( ) = 112 - ( ) = 67 - ( ) = 7 ( ) + 2 = 10( ) + 4 = 5( ) + 5 = 11( ) + 4 = 20 ( ) - 12 = 5( ) - 6 = 2( ) - 13 = 3( ) - 15 = 3 7 + ( ) = 14 3 + ( ) = 10 4 + ( ) = 130 + ( ) = 20 5 - ( ) = 412 - ( ) = 2 3 - ( ) = 017 - ( ) = 7 ( ) + 6 = 8( ) + 1 = 17( ) + 9 = 17( ) + 6 = 10 ( ) - 19 = 1( ) - 14 = 3( ) - 2 = 16( ) - 15 = 1 1 + ( ) = 1 2 + ( ) = 2 2 + ( ) = 37 + ( ) = 8 18 - ( ) = 58 - ( ) = 5 2 - ( ) = 113 - ( ) = 6 ( ) + 1 = 20( ) + 1 = 6( ) + 11 = 11( ) + 6 = 11 ( ) - 3 = 14( ) - 12 = 4( ) - 13 = 2( ) - 2 = 17 1 + ( ) = 1410 + ( ) = 128 + ( ) = 14 1 + ( ) = 14 12 - ( ) = 3 2 - ( ) = 0 4 - ( ) = 113 - ( ) = 3 3 + ( ) = 20 1 + ( ) = 2014 + ( ) = 16 4 + ( ) = 5

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 16 = 17( ) + 5 = 18( ) + 14 = 16( ) + 2 = 9 ( ) - 11 = 9( ) - 7 = 1( ) - 9 = 7( ) - 4 = 14 0 + ( ) = 14 6 + ( ) = 614 + ( ) = 14 1 + ( ) = 18 3 - ( ) = 219 - ( ) = 1918 - ( ) = 169 - ( ) = 8 ( ) + 3 = 15( ) + 5 = 20( ) + 9 = 12( ) + 12 = 18 ( ) - 4 = 9( ) - 2 = 6( ) - 11 = 8( ) - 16 = 4 7 + ( ) = 1910 + ( ) = 150 + ( ) = 18 + ( ) = 17 19 - ( ) = 216 - ( ) = 15 6 - ( ) = 1 3 - ( ) = 0 ( ) + 1 = 8( ) + 4 = 5( ) + 5 = 10( ) + 9 = 13 ( ) - 4 = 15( ) - 15 = 2( ) - 11 = 1( ) - 12 = 2 12 + ( ) = 17 1 + ( ) = 14 4 + ( ) = 7 1 + ( ) = 1 19 - ( ) = 19 1 - ( ) = 1 4 - ( ) = 3 6 - ( ) = 6 ( ) + 4 = 7( ) + 4 = 5( ) + 11 = 11( ) + 3 = 9 ( ) - 8 = 11( ) - 6 = 2( ) - 17 = 2( ) - 11 = 9 0 + ( ) = 12 3 + ( ) = 100 + ( ) = 1 3 + ( ) = 8 14 - ( ) = 1412 - ( ) = 212 - ( ) = 119 - ( ) = 3 ( ) + 4 = 7( ) + 1 = 17( ) + 16 = 20( ) + 3 = 8 ( ) - 14 = 2( ) - 14 = 3( ) - 15 = 1( ) - 1 = 13 1 + ( ) = 3 2 + ( ) = 2 2 + ( ) = 5 1 + ( ) = 5 16 - ( ) = 18 - ( ) = 5 4 - ( ) = 18 - ( ) = 0 ( ) + 6 = 20( ) + 1 = 6( ) + 5 = 16( ) + 1 = 13 ( ) - 14 = 4( ) - 12 = 4( ) - 7 = 1( ) - 19 = 1 8 + ( ) = 910 + ( ) = 12 5 + ( ) = 13 6 + ( ) = 8 19 - ( ) = 4 2 - ( ) = 018 - ( ) = 17 1 - ( ) = 0

3 + ( ) = 1

4 1 + ( ) = 20 1 + ( ) = 1 2 + ( ) = 2

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 4 = 14( ) + 5 = 18( ) + 5 = 5( ) + 15 = 15 ( ) - 15 = 3( ) - 7 = 1( ) - 4 = 2( ) - 12 = 1 3 + ( ) = 6 6 + ( ) = 6 2 + ( ) = 50 + ( ) = 2 14 - ( ) = 319 - ( ) = 19 6 - ( ) = 1 4 - ( ) = 0 ( ) + 3 = 19( ) + 5 = 20( ) + 8 = 8( ) + 3 = 16 ( ) - 14 = 3( ) - 2 = 6( ) - 12 = 2( ) - 14 = 1 0 + ( ) = 1410 + ( ) = 1517 + ( ) = 20 4 + ( ) = 9 12 - ( ) = 1216 - ( ) = 1518 - ( ) = 615 - ( ) = 14 ( ) + 11 = 19( ) + 4 = 5( ) + 6 = 9( ) + 12 = 15 ( ) - 17 = 2( ) - 15 = 2( ) - 19 = 1( ) - 16 = 2 1 + ( ) = 6 1 + ( ) = 1411 + ( ) = 16 4 + ( ) = 10 6 - ( ) = 5 1 - ( ) = 120 - ( ) = 520 - ( ) = 4 ( ) + 9 = 9( ) + 4 = 5( ) + 3 = 15( ) + 4 = 19 ( ) - 5 = 9( ) - 6 = 2( ) - 3 = 10( ) - 5 = 9

4 + ( ) = 11 3 + ( ) = 100 + ( ) = 78 + ( ) = 17 3 - ( ) = 012 - ( ) = 211 - ( ) = 718 - ( ) = 11 ( ) + 12 = 19( ) + 1 = 17( ) + 10 = 13( ) + 3 = 8 ( ) - 16 = 2( ) - 14 = 3( ) - 1 = 8( ) - 16 = 3 8 + ( ) = 10 2 + ( ) = 28 + ( ) = 16

5 + ( ) = 8

6 - ( ) = 58 - ( ) = 5 4 - ( ) = 2 5 - ( ) = 5 ( ) + 8 = 15( ) + 1 = 6( ) + 8 = 12( ) + 4 = 5 ( ) - 18 = 1( ) - 12 = 4( ) - 2 = 8( ) - 18 = 1 2 + ( ) = 510 + ( ) = 12 6 + ( ) = 10 3 + ( ) = 5 10 - ( ) = 3 2 - ( ) = 0 3 - ( ) = 119 - ( ) = 9 2 + ( ) = 5 1 + ( ) = 20 1 + ( ) = 5 1 + ( ) = 20

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 8 = 11( ) + 5 = 18( ) + 3 = 15( ) + 9 = 9 ( ) - 1 = 13( ) - 7 = 1( ) - 6 = 6( ) - 7 = 4 16 + ( ) = 18 6 + ( ) = 6 3 + ( ) = 919 + ( ) = 20 19 - ( ) = 519 - ( ) = 1920 - ( ) = 13 4 - ( ) = 2 ( ) + 3 = 6( ) + 5 = 20( ) + 12 = 18( ) + 9 = 15 ( ) - 19 = 1( ) - 2 = 6( ) - 13 = 3( ) - 13 = 7 8 + ( ) = 810 + ( ) = 1513 + ( ) = 1413 + ( ) = 19 13 - ( ) = 1016 - ( ) = 15 6 - ( ) = 415 - ( ) = 15 ( ) + 1 = 19( ) + 4 = 5( ) + 10 = 18( ) + 7 = 7 ( ) - 0 = 12( ) - 15 = 2( ) - 15 = 1( ) - 0 = 1

7 + ( ) = 13 1 + ( ) = 14 1 + ( ) = 90 + ( ) = 6 15 - ( ) = 3 1 - ( ) = 19 - ( ) = 511 - ( ) = 5 ( ) + 8 = 11( ) + 4 = 5( ) + 11 = 11( ) + 6 = 19 ( ) - 5 = 13( ) - 6 = 2( ) - 3 = 6( ) - 5 = 14 6 + ( ) = 15 3 + ( ) = 10 6 + ( ) = 11 3 + ( ) = 13 20 - ( ) = 712 - ( ) = 27 - ( ) = 716 - ( ) = 0 ( ) + 5 = 5( ) + 1 = 17( ) + 11 = 19( ) + 1 = 18 ( ) - 16 = 3( ) - 14 = 3( ) - 15 = 5( ) - 12 = 8 1 + ( ) = 13 2 + ( ) = 2 3 + ( ) = 17 5 + ( ) = 6 18 - ( ) = 98 - ( ) = 517 - ( ) = 11 4 - ( ) = 0 ( ) + 12 = 13( ) + 1 = 6( ) + 1 = 10( ) + 3 = 18 ( ) - 12 = 8( ) - 12 = 4( ) - 6 = 1( ) - 13 = 7 1 + ( ) = 310 + ( ) = 129 + ( ) = 13 4 + ( ) = 17 12 - ( ) = 8 2 - ( ) = 0 4 - ( ) = 017 - ( ) = 8 1 + ( ) = 7 1 + ( ) = 20 6 + ( ) = 714 + ( ) = 19

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 9 = 9( ) + 5 = 18( ) + 6 = 8( ) + 2 = 11 ( ) - 1 = 14( ) - 7 = 1( ) - 6 = 4( ) - 2 = 15 8 + ( ) = 11 6 + ( ) = 60 + ( ) = 4 1 + ( ) = 2 17 - ( ) = 1019 - ( ) = 1912 - ( ) = 515 - ( ) = 15 ( ) + 16 = 20( ) + 5 = 20( ) + 11 = 12( ) + 13 = 13 ( ) - 2 = 14( ) - 2 = 6( ) - 5 = 3( ) - 12 = 2 11 + ( ) = 1710 + ( ) = 158 + ( ) = 9 2 + ( ) = 8

5 - ( ) = 31

6 - ( ) = 158 - ( ) = 0 1 - ( ) = 0 ( ) + 6 = 7( ) + 4 = 5( ) + 12 = 14( ) + 5 = 11 ( ) - 1 = 7( ) - 15 = 2( ) - 15 = 5( ) - 19 = 1 0 + ( ) = 9 1 + ( ) = 14 1 + ( ) = 1 6 + ( ) = 10 3 - ( ) = 2 1 - ( ) = 1 3 - ( ) = 11

7 - ( ) = 4 ( ) + 5 = 5( ) + 4 = 5( ) + 6 = 7( ) + 2 =

8 ( ) - 1 = 1( ) - 6 = 2( ) - 17 = 2( ) - 12 = 7 6 + ( ) = 10 3 + ( ) = 10 1 + ( ) = 2 2 + ( ) = 10 3 - ( ) = 012 - ( ) = 220 - ( ) = 5 6 - ( ) = 1 ( ) + 5 = 5( ) + 1 = 17( ) + 6 = 11( ) + 6 = 18 ( ) - 7 = 12( ) - 14 = 3( ) - 6 = 9( ) - 8 = 7

5 + ( ) = 12 2 + ( ) = 2

6 + ( ) = 18 3 + ( ) = 9 13 - ( ) = 78 - ( ) = 511 - ( ) = 512 - ( ) = 0 ( ) + 1 = 7( ) + 1 = 6( ) + 4 = 12( ) + 4 = 5 ( ) - 13 = 4( ) - 12 = 4( ) - 19 = 1( ) - 6 = 2

4 + ( ) = 510 + ( ) = 12

5 + ( ) = 5

6 + ( ) = 1

7 4 - ( ) = 0 2 - ( ) = 020 - ( ) = 1316 - ( ) = 14 4 + ( ) = 9 1 + ( ) = 20 1 + ( ) = 11

8 + ( ) = 18

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 9 = 16( ) + 5 = 18( ) + 6 = 10( ) + 4 = 19 ( ) - 5 = 12( ) - 7 = 1( ) - 8 = 11( ) - 11 = 9 0 + ( ) = 1 6 + ( ) = 6 3 + ( ) = 79 + ( ) = 13 7 - ( ) = 319 - ( ) = 1915 - ( ) = 1010 - ( ) = 4 ( ) + 1 = 19( ) + 5 = 20( ) + 12 = 14( ) + 8 = 20 ( ) - 9 = 7( ) - 2 = 6( ) - 10 = 6( ) - 1 = 15 7 + ( ) = 1110 + ( ) = 15 6 + ( ) = 914 + ( ) = 20 11 - ( ) = 516 - ( ) = 1515 - ( ) = 15 3 - ( ) = 2 ( ) + 11 = 19( ) + 4 = 5( ) + 2 = 14( ) + 2 = 11 ( ) - 7 = 2( ) - 15 = 2( ) - 17 = 2( ) - 14 = 4 4 + ( ) = 8 1 + ( ) = 1417 + ( ) = 1714 + ( ) = 19 20 - ( ) = 13 1 - ( ) = 19 - ( ) = 115 - ( ) = 6 ( ) + 8 = 19( ) + 4 = 5( ) + 18 = 18( ) + 1 = 5 ( ) - 14 = 5( ) - 6 = 2( ) - 5 = 11( ) - 1 = 2

18 + ( ) = 18 3 + ( ) = 1016 + ( ) = 1913 + ( ) = 16

19 - ( ) = 912 - ( ) = 2 4 - ( ) = 3 6 - ( ) = 0 ( ) + 13 = 19( ) + 1 = 17( ) + 11 = 18( ) + 13 = 15 ( ) - 7 = 1( ) - 14 = 3( ) - 7 = 8( ) - 7 = 10 1 + ( ) = 5 2 + ( ) = 214 + ( ) = 1812 + ( ) = 15 8 - ( ) = 08 - ( ) = 5 6 - ( ) = 213 - ( ) = 12 ( ) + 1 = 16( ) + 1 = 6( ) + 2 = 12( ) + 10 = 17 ( ) - 16 = 1( ) - 12 = 4( ) - 18 = 1( ) - 3 = 17

6 + ( ) = 1010 + ( ) = 120 + ( ) = 1010 + ( ) = 14

7 - ( ) = 6 2 - ( ) = 013 - ( ) = 9 1 - ( ) = 1

4 + ( ) = 9 1 + ( ) = 20 2 + ( ) = 8 3 + ( ) = 14

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 12 = 14( ) + 5 = 18( ) + 2 = 8( ) + 4 = 14 ( ) - 19 = 1( ) - 7 = 1( ) - 10 = 1( ) - 3 = 4

1 + ( ) = 1

2 6 + ( ) = 60 + ( ) = 1011 + ( ) = 1

3 12 - ( ) = 819 - ( ) = 19 5 - ( ) = 5

4 - ( ) = 0 ( ) + 9 = 13( ) +

5 = 20( ) + 2 = 7( ) + 3 = 8 ( ) - 12 = 5( ) - 2 = 6( ) - 10 = 5( ) - 7 = 3

2 + ( ) = 210 + ( ) = 15 1 + ( ) = 10 + ( ) = 9

2 - ( ) = 116 - ( ) = 151

3 - ( ) = 1320 - ( ) = 2 ( ) + 8 = 18( ) +

4 = 5( ) + 7 = 19( ) + 1

5 = 20 ( ) - 17 = 2( ) - 15 = 2( ) - 15 = 4( ) - 12 = 7 5 + ( ) = 5 1 + ( ) = 140 + ( ) = 2 1 + ( ) = 8

9 - ( ) = 2 1 - ( ) = 117 - ( ) = 14 3 - ( ) = 1 ( ) + 12 = 14( ) + 4 = 5( ) + 14 = 14( ) + 1 = 13 ( ) - 19 = 1( ) - 6 = 2( ) - 1 = 12( ) - 15 = 5 4 + ( ) = 7 3 + ( ) = 10 1 + ( ) = 316 + ( ) = 17 12 - ( ) = 712 - ( ) = 2 6 - ( ) = 118 - ( ) = 18 ( ) + 2 = 7( ) + 1 = 17( ) + 2 = 14( ) + 4 = 5 ( ) - 17 = 1( ) - 14 = 3( ) - 5 = 11( ) - 13 = 5 1 + ( ) = 2 2 + ( ) = 2 6 + ( ) = 8 1 + ( ) = 14 19 - ( ) = 178 - ( ) = 58 - ( ) = 517 - ( ) = 9 ( ) + 4 = 7( ) + 1 = 6( ) + 2 = 15( ) + 4 = 5 ( ) - 19 = 1( ) - 12 = 4( ) - 16 = 1( ) - 3 = 16 0 + ( ) = 2010 + ( ) = 12 2 + ( ) = 198 + ( ) = 8

9 - ( ) = 9 2 - ( ) = 018 - ( ) = 16 4 - ( ) = 3

2 + ( ) = 1

3 1 + ( ) = 20 2 + ( ) = 1

4 3 + ( ) = 13

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 9 = 12( ) + 5 = 18( ) + 2 = 20( ) + 2 = 13 ( ) - 1 = 3( ) - 7 = 1( ) - 17 = 1( ) - 16 = 1 4 + ( ) = 11 6 + ( ) = 6 4 + ( ) = 10 3 + ( ) = 12 2 - ( ) = 019 - ( ) = 1917 - ( ) = 38 - ( ) = 6 ( ) + 1 = 5( ) + 5 = 20( ) + 1 = 6( ) + 8 = 12 ( ) - 12 = 8( ) - 2 = 6( ) - 9 = 1( ) - 13 = 7

1 + ( ) = 110 + ( ) = 1511 + ( ) = 13

2 + ( ) = 5

2 - ( ) = 016 - ( ) = 159 - ( ) = 212 - ( ) = 4 ( ) + 6 = 12( ) + 4 = 5( ) + 18 = 19( ) + 9 = 11 ( ) - 16 = 2( ) - 15 = 2( ) - 1 = 13( ) - 6 = 2

1 + ( ) = 3 1 + ( ) = 14 3 + ( ) = 3 1 + ( ) =

2 1

3 - ( ) = 2 1 - ( ) = 18 - ( ) = 2 3 - ( ) = 2 ( ) + 13 = 19( ) +

4 = 5( ) + 6 = 12( ) + 1 = 20 ( ) - 1

5 = 4( ) -

6 = 2( ) - 11 = 3( ) - 3 = 10 5 + ( ) = 14 3 + ( ) = 10 3 + ( ) = 140 + ( ) = 1 16 - ( ) = 212 - ( ) = 219 - ( ) = 1410 - ( ) = 1 ( ) + 4 = 8( ) + 1 = 17( ) + 3 = 8( ) + 8 = 16 ( ) - 4 = 8( ) - 14 = 3( ) - 0 = 17( ) - 19 = 1 9 + ( ) = 16 2 + ( ) = 215 + ( ) = 16 3 + ( ) = 11 16 - ( ) = 168 - ( ) = 5

7 - ( ) = 117 - ( ) =

8 ( ) + 4 = 17( ) + 1 = 6( ) + 7 = 8( ) + 4 = 10 ( ) - 14 = 6( ) - 12 = 4( ) - 18 = 2( ) - 17 = 1

5 + ( ) = 810 + ( ) = 12

6 + ( ) = 813 + ( ) = 16

6 - ( ) = 4 2 - ( ) = 0 3 - ( ) = 212 - ( ) = 3 11 + ( ) = 20 1 + ( ) = 2013 + ( ) = 178 + ( ) = 15

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 11 = 18( ) + 5 = 18( ) + 6 = 14( ) + 8 = 16 ( ) - 0 = 10( ) - 7 = 1( ) - 17 = 2( ) - 12 = 3 15 + ( ) = 17 6 + ( ) = 6 1 + ( ) = 2 1 + ( ) = 4

9 - ( ) = 219 - ( ) = 1915 - ( ) = 13 3 - ( ) = 3 ( ) + 9 = 10( ) + 5 = 20( ) + 2 = 20( ) + 9 = 14 ( ) - 2 = 1( ) - 2 = 6( ) - 3 = 12( ) - 12 = 8 5 + ( ) = 1010 + ( ) = 150 + ( ) = 7 5 + ( ) = 11 3 - ( ) = 116 - ( ) = 1516 - ( ) = 5 2 - ( ) = 2 ( ) + 2 = 18( ) + 4 = 5( ) + 9 = 9( ) + 9 = 11 ( ) - 17 = 3( ) - 15 = 2( ) - 15 = 4( ) - 15 = 4 0 + ( ) = 8 1 + ( ) = 140 + ( ) = 11 3 + ( ) = 14 18 - ( ) = 4 1 - ( ) = 114 - ( ) = 18 - ( ) = 4 ( ) + 15 = 17( ) + 4 = 5( ) + 12 = 15( ) + 11 = 17 ( ) - 6 = 4( ) - 6 = 2( ) - 3 = 8( ) - 18 = 1 4 + ( ) = 9 3 + ( ) = 1016 + ( ) = 16 3 + ( ) = 7 18 - ( ) = 612 - ( ) = 2 2 - ( ) = 020 - ( ) = 3 ( ) + 11 = 13( ) + 1 = 17( ) + 7 = 8( ) + 3 = 8 ( ) - 17 = 3( ) - 14 = 3( ) - 0 = 19( ) - 17 = 3 15 + ( ) = 19 2 + ( ) = 29 + ( ) = 14 3 + ( ) = 17 10 - ( ) = 68 - ( ) = 516 - ( ) = 16 5 - ( ) = 1 ( ) + 19 = 20( ) + 1 = 6( ) + 8 = 8( ) + 5 = 11 ( ) - 0 = 18( ) - 12 = 4( ) - 8 = 1( ) - 3 = 17 12 + ( ) = 1310 + ( ) = 12 3 + ( ) = 16 1 + ( ) = 6 18 - ( ) = 18 2 - ( ) = 07 - ( ) = 013 - ( ) = 8 3 + ( ) = 11 1 + ( ) = 20 1 + ( ) = 12 2 + ( ) = 16

班别：________ 姓名：________ 学号：________ 成绩：________ ( ) + 8 = 15( ) + 5 = 18( ) + 9 = 13( ) + 6 = 13 ( ) - 7 = 5( ) - 7 = 1( ) - 0 = 16( ) - 13 = 5 5 + ( ) = 8 6 + ( ) = 60 + ( ) = 3 1 + ( ) = 3

8 - ( ) = 519 - ( ) = 1913 - ( ) = 819 - ( ) = 19 ( ) + 10 = 18( ) + 5 = 20( ) + 9 = 16( ) + 6 = 10 ( ) - 9 = 9( ) - 2 = 6( ) - 13 = 7( ) - 3 = 11 0 + ( ) = 110 + ( ) = 150 + ( ) = 519 + ( ) = 19 6 - ( ) = 116 - ( ) = 1510 - ( ) = 913 - ( ) = 0 ( ) + 9 = 16( ) + 4 = 5( ) + 19 = 19( ) + 1 = 8 ( ) - 5 = 2( ) - 15 = 2( ) - 1 = 9( ) - 7 = 12 8 + ( ) = 20 1 + ( ) = 14 2 + ( ) = 209 + ( ) = 16 7 - ( ) = 5 1 - ( ) = 120 - ( ) = 820 - ( ) = 19 ( ) + 11 = 17( ) + 4 = 5( ) + 14 = 20( ) + 12 = 20 ( ) - 0 = 7( ) - 6 = 2( ) - 9 = 1( ) - 7 = 7

0 + ( ) = 3 3 + ( ) = 100 + ( ) = 68 + ( ) = 14 9 - ( ) = 712 - ( ) = 214 - ( ) = 1018 - ( ) = 3 ( ) + 6 = 6( ) + 1 = 17( ) + 4 = 10( ) + 14 = 20 ( ) - 9 = 6( ) - 14 = 3( ) - 6 = 12( ) - 0 = 18 4 + ( ) = 10 2 + ( ) = 2 1 + ( ) = 18 4 + ( ) = 9 17 - ( ) = 168 - ( ) = 5 4 - ( ) = 410 - ( ) = 2 ( ) + 3 = 8( ) + 1 = 6( ) + 1 = 8( ) + 11 = 11 ( ) - 2 = 18( ) - 12 = 4( ) - 0 = 15( ) - 9 = 4

3 + ( ) = 1010 + ( ) = 1218 + ( ) = 18 2 + ( ) = 19 20 - ( ) = 0 2 - ( ) = 0 1 - ( ) = 1

4 - ( ) = 0

7 + ( ) = 14 1 + ( ) = 20 1 + ( ) = 58 + ( ) = 18