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20以内的口算加减法

20以内的口算加减法
20以内的口算加减法

班别:________ 姓名:________ 学号:________ 成绩:________

6 - ( ) = 411 - ( ) = 5 6 - ( ) = 2 4 - ( ) = 4 ( ) - 4 = 2( ) - 8 = 6( ) - 4 = 1( ) - 1 = 4 ( ) + 14 = 15( ) + 12 = 20( ) + 8 = 14( ) + 2 = 3 5 + ( ) = 119 + ( ) = 14 1 + ( ) = 15 4 + ( ) = 5 18 - ( ) = 419 - ( ) = 8 3 - ( ) = 3

7 - ( ) = 2 ( ) - 19 = 1( ) - 16 = 1( ) - 14 = 5( ) - 7 = 11 3 + ( ) = 10 1 + ( ) = 11

8 + ( ) = 18 1 + ( ) = 4 7 - ( ) = 78 - ( ) = 710 - ( ) = 116 - ( ) = 0 ( ) - 15 = 2( ) - 15 = 5( ) - 18 = 1( ) - 8 = 4 ( ) - 8 = 4( ) - 7 = 11( ) - 6 = 1( ) - 6 = 7 ( ) + 4 = 8( ) + 11 = 11( ) + 11 = 20( ) + 4 = 12 7 + ( ) = 17 1 + ( ) = 11 6 + ( ) = 16 1 + ( ) = 1 ( ) +

9 = 9( ) + 2 = 2( ) + 2 = 2( ) + 7 = 11 16 + ( ) = 16 1 + ( ) = 116 + ( ) = 187 + ( ) = 20 ( ) - 7 = 3( ) - 14 = 1( ) - 4 = 12( ) - 18 = 1 ( ) + 7 = 18( ) + 2 = 5( ) + 5 = 5( ) + 10 = 15 3 + ( ) = 10 1 + ( ) = 2 6 + ( ) = 137 + ( ) = 10 ( ) - 12 = 6( ) - 15 = 3( ) - 16 = 2( ) - 18 = 2 ( ) + 5 = 10( ) + 19 = 19( ) + 10 = 14( ) + 1 = 1 2 + ( ) = 9 3 + ( ) = 10 1 + ( ) = 6 4 + ( ) = 11 2 + ( ) = 19 4 + ( ) = 49 + ( ) = 108 + ( ) = 15 ( ) + 1 = 2( ) + 10 = 11( ) + 1 = 10( ) + 2 = 3 ( ) - 4 = 1( ) - 6 = 12( ) - 12 = 7( ) - 17 = 1 ( ) - 16 = 1( ) - 15 = 1( ) - 8 = 4( ) - 3 = 6 7 + ( ) = 139 + ( ) = 16 4 + ( ) = 48 + ( ) = 10

班别:________ 姓名:________ 学号:________ 成绩:________

3 - ( ) = 20 - ( ) = 017 - ( ) = 1416 - ( ) = 8 ( ) -

4 = 3( ) - 1

5 = 1( ) - 9 = 5( ) - 7 = 4 ( ) + 12 = 17( ) + 4 = 5( ) + 11 = 16( ) + 8 = 17 1 + ( ) = 210 + ( ) = 18 2 + ( ) = 169 + ( ) = 10 20 - ( ) = 3

6 - ( ) = 210 - ( ) = 1012 - ( ) = 2 ( ) - 11 = 5( ) - 16 = 1( ) - 13 = 5( ) - 2 = 1

7 5 + ( ) = 99 + ( ) = 14 4 + ( ) = 1

8 3 + ( ) = 7 7 - ( ) = 3

9 - ( ) = 87 - ( ) = 515 - ( ) = 6 ( ) - 18 = 2( ) - 4 = 11( ) - 11 = 8( ) - 11 = 8 ( ) - 14 = 1( ) - 1 = 15( ) - 12 = 3( ) - 19 = 1 ( ) + 3 = 3( ) + 1 = 1( ) + 7 = 9( ) + 14 = 16 1 + ( ) = 18 + ( ) = 8 3 + ( ) = 1710 + ( ) = 10 ( ) + 11 = 11( ) + 9 = 12( ) + 7 = 7( ) + 1 = 4 6 + ( ) = 911 + ( ) = 1415 + ( ) = 209 + ( ) = 10 ( ) - 15 = 4( ) - 19 = 1( ) - 10 = 6( ) - 16 = 2 ( ) + 1 = 9( ) + 5 = 7( ) + 9 = 12( ) + 15 = 19 4 + ( ) = 8 5 + ( ) = 514 + ( ) = 20 5 + ( ) = 8 ( ) - 17 = 2( ) - 19 = 1( ) - 11 = 5( ) - 2 = 14 ( ) + 12 = 18( ) + 9 = 16( ) + 1 = 10( ) + 6 = 13 2 + ( ) = 68 + ( ) = 19 5 + ( ) = 10 6 + ( ) = 11 2 + ( ) = 13 5 + ( ) = 19 1 + ( ) = 1110 + ( ) = 10 ( ) + 4 = 5( ) + 4 = 6( ) + 4 = 5( ) + 6 = 17 ( ) - 16 = 4( ) - 4 = 5( ) - 13 = 5( ) - 2 = 10 ( ) - 17 = 1( ) - 18 = 2( ) - 5 = 2( ) - 8 = 12 1 + ( ) = 3 1 + ( ) = 8 6 + ( ) = 1817 + ( ) = 17

班别:________ 姓名:________ 学号:________ 成绩:________

3 - ( ) = 27 - ( ) = 48 - ( ) = 516 - ( ) = 9 ( ) - 16 = 1( ) - 13 = 3( ) - 5 = 1( ) - 9 = 5 ( ) + 1 = 1( ) + 3 = 8( ) + 11 = 11( ) +

4 = 20 2 + ( ) = 1510 + ( ) = 20 2 + ( ) = 10 3 + ( ) = 18 14 - ( ) = 69 - ( ) =

5 5 - ( ) = 28 - ( ) = 3 ( ) - 13 = 7( ) - 10 = 8( ) - 4 = 3( ) - 13 = 5 9 + ( ) = 1

6 5 + ( ) = 6

7 + ( ) = 9 1 + ( ) = 1 1 - ( ) = 0 5 - ( ) = 37 - ( ) = 7 5 - ( ) = 4 ( ) - 6 = 10( ) - 14 = 5( ) - 14 = 2( ) - 7 = 9 ( ) - 2 = 2( ) - 12 = 6( ) - 17 = 3( ) - 15 = 4 ( ) + 1

8 = 18( ) + 2 = 4( ) +

9 = 18( ) + 13 = 15 5 + ( ) = 7 4 + ( ) = 4 2 + ( ) = 213 + ( ) = 16 ( ) + 11 = 14( ) + 3 = 15( ) + 8 = 12( ) + 1 = 2 1 + ( ) = 18 + ( ) = 8 3 + ( ) = 38 + ( ) = 16 ( ) - 14 = 1( ) - 10 = 7( ) - 4 = 4( ) - 15 = 2 ( ) + 2 = 3( ) + 9 = 13( ) + 3 = 16( ) + 6 = 12 1 + ( ) = 4 1 + ( ) = 2 4 + ( ) = 9 1 + ( ) = 20 ( ) - 7 = 3( ) - 15 = 1( ) - 9 = 10( ) - 7 = 1 ( ) + 8 = 9( ) + 1 = 12( ) + 3 = 14( ) + 4 = 5 1 + ( ) = 610 + ( ) = 20 1 + ( ) = 1 1 + ( ) = 10 8 + ( ) = 15 4 + ( ) = 5 2 + ( ) = 316 + ( ) = 18 ( ) + 7 = 8( ) + 5 = 14( ) + 2 = 10( ) + 3 = 5 ( ) - 12 = 7( ) - 19 = 1( ) - 4 = 9( ) - 17 = 1 ( ) - 4 = 8( ) - 9 = 8( ) - 6 = 9( ) - 10 = 8 14 + ( ) = 14 5 + ( ) = 5 2 + ( ) = 3 5 + ( ) = 12

班别:________ 姓名:________ 学号:________ 成绩:________

9 - ( ) = 819 - ( ) = 0 1 - ( ) = 015 - ( ) = 9 ( ) - 14 = 5( ) - 18 = 2( ) - 10 = 6( ) - 12 = 1 ( ) + 19 = 19( ) + 2 = 4( ) + 1 = 4( ) + 3 = 7 14 + ( ) = 20 3 + ( ) = 4 6 + ( ) = 16 4 + ( ) = 15 1 - ( ) = 116 - ( ) = 149 - ( ) = 418 - ( ) = 17 ( ) - 18 = 2( ) - 17 = 1( ) - 2 = 15( ) - 6 = 14 12 + ( ) = 13 1 + ( ) = 214 + ( ) = 14 6 + ( ) = 19 14 - ( ) = 11 1 - ( ) = 08 - ( ) = 2 6 - ( ) = 5 ( ) - 3 = 6( ) - 10 = 5( ) - 12 = 5( ) - 19 = 1 ( ) - 17 = 3( ) - 9 = 5( ) - 3 = 11( ) - 8 = 12 ( ) + 2 = 15( ) + 2 = 2( ) + 7 = 11( ) + 13 = 14 2 + ( ) = 313 + ( ) = 14 1 + ( ) = 9 4 + ( ) = 7 ( ) + 3 = 3( ) + 8 = 12( ) + 1 = 2( ) + 3 = 11 5 + ( ) = 19 6 + ( ) = 1318 + ( ) = 1912 + ( ) = 13 ( ) - 13 = 5( ) - 6 = 3( ) - 11 = 8( ) - 15 = 1 ( ) + 3 = 3( ) + 6 = 13( ) + 9 = 9( ) + 4 = 9 1 + ( ) = 1 1 + ( ) = 1 6 + ( ) = 159 + ( ) = 9 ( ) - 1 = 15( ) - 18 = 1( ) - 12 = 1( ) - 3 = 12 ( ) + 11 = 12( ) + 1 = 1( ) + 10 = 11( ) + 16 = 16 4 + ( ) = 8 1 + ( ) = 3 1 + ( ) = 1 1 + ( ) = 3 4 + ( ) = 5 5 + ( ) = 5 5 + ( ) = 914 + ( ) = 18 ( ) + 7 = 12( ) + 3 = 5( ) + 4 = 5( ) + 14 = 18 ( ) - 12 = 6( ) - 10 = 3( ) - 8 = 5( ) - 12 = 5 ( ) - 8 = 2( ) - 17 = 2( ) - 10 = 8( ) - 12 = 6 4 + ( ) = 4 3 + ( ) = 87 + ( ) = 15 6 + ( ) = 9

班别:________ 姓名:________ 学号:________ 成绩:________

0 - ( ) = 0 1 - ( ) = 012 - ( ) = 310 - ( ) = 7 ( ) - 7 = 1( ) - 12 = 7( ) - 17 = 3( ) - 19 = 1 ( ) + 13 = 18( ) + 15 = 19( ) + 3 = 17( ) + 7 = 9 5 + ( ) = 208 + ( ) = 8 4 + ( ) = 817 + ( ) = 20 8 - ( ) = 5 3 - ( ) = 211 - ( ) = 4 3 - ( ) = 1 ( ) - 12 = 3( ) - 6 = 7( ) - 11 = 8( ) - 15 = 2 1 + ( ) = 4 1 + ( ) = 415 + ( ) = 15 1 + ( ) = 1 11 - ( ) = 613 - ( ) = 518 - ( ) = 119 - ( ) = 10 ( ) - 19 = 1( ) - 18 = 1( ) - 17 = 1( ) - 4 = 6 ( ) - 1 = 10( ) - 6 = 9( ) - 18 = 1( ) - 1 = 15 ( ) + 16 = 20( ) + 1 = 11( ) + 5 = 9( ) + 1 = 1 9 + ( ) = 139 + ( ) = 13 1 + ( ) = 97 + ( ) = 15 ( ) + 3 = 4( ) + 6 = 12( ) + 1 = 15( ) + 11 = 20 13 + ( ) = 13 3 + ( ) = 3 6 + ( ) = 8 1 + ( ) = 1 ( ) - 6 = 7( ) - 3 = 3( ) - 17 = 2( ) - 16 = 1 ( ) + 3 = 15( ) + 1 = 1( ) + 16 = 16( ) + 4 = 17 2 + ( ) = 5 1 + ( ) = 111 + ( ) = 11 1 + ( ) = 13 ( ) - 13 = 5( ) - 8 = 6( ) - 2 = 4( ) - 6 = 13 ( ) + 4 = 5( ) + 4 = 5( ) + 17 = 17( ) + 8 = 11 4 + ( ) = 1312 + ( ) = 2012 + ( ) = 16 2 + ( ) = 10 4 + ( ) = 16 1 + ( ) = 9 1 + ( ) = 1 1 + ( ) = 2 ( ) + 8 = 13( ) + 5 = 18( ) + 1 = 1( ) + 3 = 8 ( ) - 10 = 3( ) - 2 = 6( ) - 5 = 8( ) - 12 = 3 ( ) - 6 = 11( ) - 3 = 1( ) - 12 = 1( ) - 16 = 2 6 + ( ) = 7 3 + ( ) = 316 + ( ) = 16 3 + ( ) = 5

班别:________ 姓名:________ 学号:________ 成绩:________

5 - ( ) = 214 - ( ) = 013 - ( ) = 7

6 - ( ) = 3 ( ) - 2 = 17( ) - 6 = 7( ) - 1

7 = 2( ) - 4 = 1 ( ) + 6 = 11( ) + 12 = 12( ) + 6 = 15( ) + 4 = 9 10 + ( ) = 1213 + ( ) = 19 3 + ( ) = 3 3 + ( ) = 4 12 - ( ) = 711 - ( ) = 620 - ( ) = 0 1 - ( ) = 0 ( ) - 13 = 1( ) - 1

8 = 1( ) - 6 = 5( ) - 3 = 7 10 + ( ) = 1915 + ( ) = 18 6 + ( ) = 7 4 + ( ) = 11 15 - ( ) = 31

9 - ( ) = 1211 - ( ) = 3 3 - ( ) = 1 ( ) - 2 = 15( ) - 8 = 3( ) - 9 = 1( ) - 4 = 8 ( ) - 10 = 4( ) - 11 = 4( ) - 13 = 5( ) - 11 = 2 ( ) + 2 = 7( ) + 3 = 15( ) + 9 = 18( ) + 4 = 14 4 + ( ) = 69 + ( ) = 1115 + ( ) = 179 + ( ) = 16 ( ) + 16 = 16( ) + 1 = 10( ) + 1 = 7( ) + 3 = 4 1 + ( ) = 2 6 + ( ) = 108 + ( ) = 10 1 + ( ) = 3 ( ) - 19 = 1( ) - 13 = 5( ) - 17 = 2( ) - 19 = 1 ( ) + 15 = 19( ) + 6 = 17( ) + 5 = 5( ) + 17 = 19 16 + ( ) = 18 1 + ( ) = 1 2 + ( ) = 11 2 + ( ) = 7 ( ) - 16 = 2( ) - 9 = 10( ) - 19 = 1( ) - 18 = 1 ( ) + 13 = 20( ) + 3 = 13( ) + 4 = 7( ) + 9 = 13 11 + ( ) = 13 2 + ( ) = 29 + ( ) = 10 1 + ( ) = 7 6 + ( ) = 1111 + ( ) = 19 5 + ( ) = 7 6 + ( ) = 9 ( ) + 3 = 4( ) + 1 = 17( ) + 2 = 4( ) + 6 = 8 ( ) - 6 = 5( ) - 6 = 14( ) - 17 = 3( ) - 8 = 4 ( ) - 7 = 2( ) - 10 = 7( ) - 14 = 4( ) - 17 = 2 3 + ( ) = 1917 + ( ) = 2012 + ( ) = 12 1 + ( ) = 1

班别:________ 姓名:________ 学号:________ 成绩:________

4 - ( ) = 211 - ( ) = 7 6 - ( ) = 2 4 - ( ) = 1 ( ) -

5 = 4( ) - 3 = 7( ) - 11 = 6( ) - 5 = 15 ( ) + 4 = 13( ) + 2 = 3( ) + 10 = 15( ) + 3 =

6

7 + ( ) = 11 2 + ( ) = 27 + ( ) = 11

8 + ( ) = 8 1 - ( ) = 0 3 - ( ) = 31

9 - ( ) = 1910 - ( ) = 9 ( ) - 10 = 1( ) - 3 = 7( ) - 17 = 2( ) - 3 = 13 6 + ( ) = 17 6 + ( ) = 6 3 + ( ) = 1318 + ( ) = 19 16 - ( ) = 1216 - ( ) = 1220 - ( ) = 207 - ( ) = 3 ( ) - 7 = 5( ) - 13 = 7( ) - 14 = 1( ) - 8 = 1 ( ) - 9 = 8( ) - 12 = 7( ) - 15 = 1( ) - 1 = 13 ( ) + 1 = 1( ) + 17 = 18( ) + 10 = 15( ) + 9 = 11 8 + ( ) = 9 2 + ( ) = 3 2 + ( ) = 12 2 + ( ) = 7 ( ) + 7 = 10( ) + 3 = 3( ) + 8 = 13( ) + 5 = 17 13 + ( ) = 16 3 + ( ) = 8 1 + ( ) = 13 1 + ( ) = 8 ( ) - 5 = 13( ) - 3 = 5( ) - 18 = 1( ) - 13 = 2 ( ) + 8 = 19( ) + 11 = 17( ) + 8 = 8( ) + 3 = 14 4 + ( ) = 1518 + ( ) = 20 1 + ( ) = 1 4 + ( ) = 10 ( ) - 6 = 3( ) - 7 = 5( ) - 14 = 4( ) - 19 = 1 ( ) + 1 = 3( ) + 1 = 4( ) + 6 = 14( ) + 3 = 10 1 + ( ) = 9 6 + ( ) = 11 6 + ( ) = 15 2 + ( ) = 12 5 + ( ) = 78 + ( ) = 10 1 + ( ) = 4 1 + ( ) = 17 ( ) + 6 = 14( ) + 4 = 6( ) + 3 = 5( ) + 6 = 6 ( ) - 18 = 2( ) - 9 = 6( ) - 19 = 1( ) - 4 = 2 ( ) - 13 = 2( ) - 7 = 1( ) - 14 = 1( ) - 8 = 4 3 + ( ) = 1316 + ( ) = 20 4 + ( ) = 78 + ( ) = 9

班别:________ 姓名:________ 学号:________ 成绩:________

1 - ( ) = 0 3 - ( ) = 211 - ( ) = 3

2 - ( ) = 2 ( ) - 1

3 = 3( ) - 12 = 1( ) - 3 = 12( ) -

4 = 12 ( ) + 1

5 = 17( ) + 1 = 20( ) + 1 = 4( ) + 20 = 20 13 + ( ) = 20 4 + ( ) = 1518 + ( ) = 20 3 + ( ) = 8 2 - ( ) = 0 1 - ( ) = 112 - ( ) = 90 - ( ) = 0 ( ) - 7 = 11( ) - 19 = 1( ) - 18 = 1( ) - 11 = 8 7 + ( ) = 20 1 + ( ) = 4 5 + ( ) = 5 2 + ( ) = 17 4 - ( ) = 10 - ( ) = 014 - ( ) = 67 - ( ) = 2 ( ) - 14 = 6( ) - 17 = 1( ) - 18 = 2( ) - 10 = 1 ( ) - 8 = 10( ) - 9 = 7( ) - 14 = 5( ) - 3 = 7 ( ) + 5 = 8( ) + 4 = 5( ) + 11 = 11( ) + 5 = 14 7 + ( ) = 813 + ( ) = 18 2 + ( ) = 710 + ( ) = 11 ( ) + 1 = 1( ) + 10 = 19( ) + 5 = 5( ) + 1 = 3 11 + ( ) = 158 + ( ) = 179 + ( ) = 12 1 + ( ) = 2 ( ) - 1

6 = 1( ) - 11 = 9( ) - 9 = 7( ) - 16 = 2 ( ) + 1 = 1( ) + 4 = 8( ) +

7 = 13( ) + 1 = 2 1 + ( ) = 5 2 + ( ) = 7 5 + ( ) = 711 + ( ) = 13 ( ) - 13 = 3( ) - 5 = 10( ) - 1 = 4( ) - 10 = 1 ( ) + 7 = 18( ) + 7 = 13( ) + 1 = 5( ) + 1 = 4 10 + ( ) = 11 6 + ( ) = 20 4 + ( ) = 7 1 + ( ) = 1 1 + ( ) = 6 1 + ( ) = 9 1 + ( ) = 1 1 + ( ) = 7 ( ) + 5 = 6( ) + 3 = 3( ) + 2 = 9( ) + 6 = 11 ( ) - 14 = 5( ) - 3 = 4( ) - 12 = 4( ) - 9 = 10 ( ) -

8 = 3( ) - 2 = 17( ) - 17 = 1( ) - 15 = 4 12 + ( ) = 17 2 + ( ) = 37 + ( ) = 20 4 + ( ) = 10

班别:________ 姓

名:________ 学号:

17 - ( ) = 13 4 - ( ) = 0 5 - ( ) = 40 - ( ) = 0 ( ) - 10 = 1( ) - 3 = 10( ) - 8 = 4( ) - 5 = 3 ( ) + 1 = 1( ) + 7 = 13( ) + 2 = 10( ) + 2 = 6 6 + ( ) = 716 + ( ) = 20 1 + ( ) = 111 + ( ) = 14 16 - ( ) = 14 3 - ( ) = 2 6 - ( ) = 615 - ( ) = 2 ( ) - 17 = 3( ) - 13 = 2( ) - 13 = 4( ) - 13 = 6 3 + ( ) = 6 2 + ( ) = 2 4 + ( ) = 117 + ( ) = 9 6 - ( ) = 011 - ( ) = 413 - ( ) = 20 - ( ) = 0 ( ) - 10 = 6( ) - 1 = 17( ) - 10 = 8( ) - 15 = 5 ( ) - 9 = 11( ) - 12 = 8( ) - 18 = 2( ) - 19 = 1 ( ) + 11 = 19( ) + 1 = 5( ) + 10 = 13( ) + 3 = 3 10 + ( ) = 11 4 + ( ) = 4 4 + ( ) = 17 4 + ( ) = 5 ( ) + 2 = 17( ) + 1 = 2( ) + 1 = 18( ) + 2 = 10 5 + ( ) = 5 1 + ( ) = 5 2 + ( ) = 5 2 + ( ) = 2 ( ) - 13 = 3( ) - 16 = 1( ) - 9 = 8( ) - 2 = 15 ( ) + 2 = 2( ) + 3 = 20( ) + 1 = 1( ) + 3 = 9 8 + ( ) = 188 + ( ) = 158 + ( ) = 14 1 + ( ) = 2 ( ) - 11 = 2( ) - 16 = 1( ) - 4 = 7( ) - 1 = 13 ( ) + 1 = 3( ) + 12 = 13( ) + 9 = 19( ) + 6 = 10 2 + ( ) = 78 + ( ) = 10 3 + ( ) = 13 1 + ( ) = 18 1 + ( ) = 10 1 + ( ) = 9 1 + ( ) = 10 2 + ( ) = 4 ( ) + 5 = 6( ) + 4 = 5( ) + 10 = 17( ) + 7 = 18 ( ) - 12 = 4( ) - 13 = 6( ) - 16 = 2( ) - 19 = 1 ( ) - 14 = 1( ) - 9 = 5( ) - 11 = 2( ) - 6 = 1 2 + ( ) = 2 1 + ( ) = 2 1 + ( ) = 1 2 + ( ) = 4

班别:________ 姓名:________ 学号:________ 成绩:________

0 - ( ) = 09 - ( ) = 69 - ( ) = 2 4 - ( ) = 1 ( ) - 11 = 3( ) - 7 = 5( ) - 17 = 2( ) - 13 = 1 ( ) + 15 = 20( ) + 3 = 5( ) + 3 = 8( ) + 15 = 19 5 + ( ) = 14 4 + ( ) = 512 + ( ) = 189 + ( ) = 18 4 - ( ) = 40 - ( ) = 08 - ( ) = 10 - ( ) = 0 ( ) - 18 = 1( ) - 15 = 5( ) - 13 = 1( ) - 10 = 7 2 + ( ) = 410 + ( ) = 178 + ( ) = 9 6 + ( ) = 7 0 - ( ) = 015 - ( ) = 158 - ( ) = 014 - ( ) = 8 ( ) - 15 = 5( ) - 6 = 6( ) - 19 = 1( ) - 5 = 3 ( ) - 12 = 3( ) - 5 = 15( ) - 11 = 4( ) - 6 = 12 ( ) + 1 = 2( ) + 10 = 15( ) + 1 = 6( ) + 14 = 19 2 + ( ) = 2 4 + ( ) = 15 1 + ( ) = 5 4 + ( ) = 4 ( ) + 7 = 7( ) + 1 = 17( ) + 1 = 10( ) + 4 = 5 1 + ( ) = 410 + ( ) = 1216 + ( ) = 177 + ( ) = 11 ( ) - 8 = 4( ) - 19 = 1( ) - 15 = 5( ) - 15 = 1 ( ) + 5 = 15( ) + 3 = 9( ) + 1 = 1( ) + 2 = 18 11 + ( ) = 11 6 + ( ) = 8 3 + ( ) = 10 2 + ( ) = 6 ( ) - 4 = 2( ) - 19 = 1( ) - 14 = 1( ) - 3 = 8 ( ) + 8 = 19( ) + 2 = 3( ) + 4 = 9( ) + 6 = 9 10 + ( ) = 107 + ( ) = 13 2 + ( ) = 14 1 + ( ) = 6 1 + ( ) = 3 1 + ( ) = 19 6 + ( ) = 18 1 + ( ) = 12 ( ) + 3 = 7( ) + 5 = 7( ) + 4 = 9( ) + 8 = 15 ( ) - 2 = 7( ) - 7 = 9( ) - 17 = 2( ) - 19 = 1 ( ) - 12 = 3( ) - 3 = 6( ) - 8 = 2( ) - 6 = 10 2 + ( ) = 13 2 + ( ) = 16 1 + ( ) = 87 + ( ) = 16

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