Complete the number sequences
1) 120,100,80,60,40,20 Rule:Take away 20
2) 19,16,13,10,7,4 Rule:Take away 3
3) 152,149,146,143,140,137 Rule:Take away 3
4) 36,30,24,18,12,6 Rule:Take away 6
5) 35,28,21,14,7,0 Rule:Take away 7
6) 25,30,35,40,45,50 Rule: Add 5
7) 102,120,142,162,182,202 Rule: Add 20
8) 34,40,46,52,58,64 Rule: Add 6
9) 66,55,44,33,22,11 Rule: Take away 11
10) 10,22,34,46,58, 70 Rule: Add 12
11) 27,24,21,18,15,12 Rule: Take away 3
12) 112, 115,118,121,124,127 Rule: Add 3
13) 18,30,42,54,66,78, Rule: add 12
14) 8,6,4,2,0,-2 Rule: Take away 2
15) -6,-4,-2,0,2,4 Rule: Add 2
16) 0.2,0.4,0.6,0.8,1,1,2 Rule: Add 0.2
17) 1.3,1.6,1.9,2.1,2.4,2.7 Rule: Add 0.3
18)24,17,10,7,0,-7 Rule: Take away 7
19) 0.6,1.0,1.4, 1.8,2.2,2.6 Rule: Add 0.4
20) 3.0,2.4,1.8,1.2,0.6,0 Rule: Take away 0.6