1034+78+320+102的简便运算
问题描述:
1034+78+320+102的简便运算
答
1034+78+320+102=1034+(78+102)+320=1034+180+320=1034+(180+320)=1034+500=1534
1034+78+320+102的简便运算
1034+78+320+102=1034+(78+102)+320=1034+180+320=1034+(180+320)=1034+500=1534