Question

Quantos números ímpares existe entre 82 e 268? ( pa)​

Answer 1

Existem 92 números impares.

Estes números são:

83,85,87,89,91,93,95,97,99,101,103,105,107,109,111,113,115,117,119,121,123,125,127,129,131,133,135,137,139,141,143,145,147,149,151,153,155,157,159,161,163,165,167,169,171,173,175,177,179,181,183,185,187,189,191,193,195,197,199,201,203,205,207,209,211,213,215,217,219,221,223,225,227,229,231,233,235,237,239,241,243,245,247,249,251,253,255,257,259,261,263,265,267.

Answer 2

resolução!

an = a1 + ( n - 1 ) r

267 = 83 + ( n - 1 ) 2

267 = 83 + 2n - 2

267 = 81 + 2n

267 - 81 = 2n

186 = 2n

n = 186 / 2

n = 93

resposta: são 93 números ímpares entre 82 e 268