704-284 116简便方法怎么算?

2025-04-26 23:52:03
推荐回答(2个)
回答1:

704-284+116
=(704+116)-284
=820-284
=820-300+16
=520+16
=536

回答2:

704-284-116
=704-(284+116)
=704-400
=304