简便计算题：1.125*3+125*5+25*3+25 2.9999*3+101*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4.3/7 × 49/9 - 4/3 5.8/9 × 15/36 + 1/27 6.12× 5/6 – 2/9 ×3 7.8× 5/4 + 1/4 8.6÷ 3/8 – 3/8 ÷6 9.4/7 × 5/9 + 3/7 ...