Calculative the sum 51+52+53+.........+70
Answers
Answered by
1
Answer:
this may help you........
Attachments:
![](https://hi-static.z-dn.net/files/dbb/cbcb746e826f0be473e533f5e3e8385c.jpg)
![](https://hi-static.z-dn.net/files/d92/f479cdd4c95d1218f5769f2e9d755a35.jpg)
Similar questions