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1+2+3+4+5+6+7+8+9+100​

Sagot :

Answer:

145 ans.

Step-by-step explanation:

Hope it helps

Pa brainlies pls

Answer:

145

Step-by-step explanation:

1+2=3

3+3=6

6+4=10

10+5=15

15+6=21

21+7=28

28+8=36

36+9=45

45+100=145