745-298的简便运算

2025-02-27 21:59:43
推荐回答(3个)
回答1:

745-298
=745-(300-2)
=745-300+2
=445+2
=447

回答2:

=745—(300—2)
=745—300+2
=445+2
=447

回答3:

745-(300-2)
=745-300+2
=435+2
=437