问题 解答题 计算512×7911÷323÷492122÷7320×956÷523÷49516÷3421÷37121÷1112. 答案 512×7=3512,911÷3=311,23÷49=32,2122÷7=322,320×9=2720,56÷5=16,23÷49=32,516÷34=512,21÷37=49,121÷1112=132.