A ) a = 1/2 + 1/6 + 1/18 + 1/54 + 1/162 B ) 1/2 + 1/6 + 1/ 12 + 1/ 20 + …+ 1/ 9900 C ) 20.2*5.1-30.3*3.4+14.56/ 14.58*460+7.29 *540*2
A ) a = 1/2 + 1/6 + 1/18 + 1/54 + 1/162 B ) 1/2 + 1/6 + 1/ 12 + 1/ 20 + …+ 1/ 9900 C ) 20.2*5.1-30.3*3.4+14.56/ 14.58*460+7.29 *540*2