3几几乘几等于几87?

3几几乘几等于几87? 3+3等于几? 3+3等于几? 3+5等于几 5^3等于几 5+3等于几 5+3等于几 15+3 等于几 1+3等于几? 3+8等于几 3派等于几 二加三等于几?3 7+3等于几 1+3等于几 3+1等于几 1+3等于几 3+1等于几? 3+0等于几