1034+78+320+102这条算式怎样简算
问题描述:
1034+78+320+102这条算式怎样简算
答
1034+78+320+102
=> 1034 + 320 + (78 + 102)
=> 1034 + 320 + 180
=> 1034 + (320 + 180)
=> 1034 + 500
=> 1534