题目

John took part in the games, but the rest of us just       .   A. looked up             B. looked on                 C. looked out  D. looked over 答案：B递等式计算，能简便的就简便计算．（1）9.2×1.5÷3（2）19.03-5.53-0.37（3）86÷（8.6×25）（4）6.3×101-6.3（5）1.8÷3.6×（0.9+1.2）（6）12÷0.125（7）18.21+25.93+1.79（8）59.6×18+59.6×81+59.6（9）33.02-（148.4-90.85）÷2.5（10）[33.3-（17.4+3.1）]×6.05．