9600万960000000
354000345000
70200007200000
3693039630
1000001999999
208870000 2亿
30×8+230×(8+2) 960÷24960÷8÷3
93-27÷3(93-27)÷3 150-(95-5)150-(95+5)
⒈ 80000
⒉ 3500000
⒊ 2340000
⒋ 640000