475减298的简便算法

475减298的简便算法
2025-03-21 19:23:09
推荐回答(2个)
回答1:

解:依题意得算式,
475-298
=475-(300-2)
=475-300+2
=175+2
=177
即475-298=177

回答2:

475-298=475-300+2=175+2=177