"15.67加8.82等于几"...15.67加8.82等于几

　"15.19加8.23等于几"...15.19加8.23等于几

　"15.93加8.93等于几"...15.93加8.93等于几

　"15.84加7.38等于几"...15.84加7.38等于几

　"15.83加21.7等于几"...15.83加21.7等于几

　"15.34加8.68等于几"...15.34加8.68等于几

　"15.047加8.92等于几"...15.047加8.92等于几

　"15.708加7.392等于几"...15.708加7.392等于几

　"15.84加21.28等于几"...15.84加21.28等于几

　"15.708加21.692等于几"...15.708加21.692等于几