UPSKILL MATH PLUS

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Find the value of:
 
(i) 1+2+3+...+60 \(=\)
 
(ii) \(3 + 6 + 9 + … + 96\) \(=\)
 
(iii) 51+52+53+...+94 \(=\)
 
(iv) \(1 + 4 + 9 + 16 + ... + 225\) \(=\)
 
(v) \(6^2 + 7^2 + 8^2 + ... + 21^2\) \(=\)
 
(vi) \(10^3 + 11^3 + 12^3 + ... + 20^3\) \(=\)
 
(iii) 1+3+5+...+ 71 \(=\)